diff --git a/app/lib/vacuum/imports_vacuum.rb b/app/lib/vacuum/imports_vacuum.rb
index 8c8bb783ac..700bd81847 100644
--- a/app/lib/vacuum/imports_vacuum.rb
+++ b/app/lib/vacuum/imports_vacuum.rb
@@ -9,10 +9,10 @@ class Vacuum::ImportsVacuum
   private
 
   def clean_unconfirmed_imports!
-    BulkImport.state_unconfirmed.where('created_at <= ?', 10.minutes.ago).reorder(nil).in_batches.delete_all
+    BulkImport.state_unconfirmed.where(created_at: ..10.minutes.ago).reorder(nil).in_batches.delete_all
   end
 
   def clean_old_imports!
-    BulkImport.where('created_at <= ?', 1.week.ago).reorder(nil).in_batches.delete_all
+    BulkImport.where(created_at: ..1.week.ago).reorder(nil).in_batches.delete_all
   end
 end
diff --git a/app/lib/vacuum/statuses_vacuum.rb b/app/lib/vacuum/statuses_vacuum.rb
index ad1de07380..92d3ccf4f4 100644
--- a/app/lib/vacuum/statuses_vacuum.rb
+++ b/app/lib/vacuum/statuses_vacuum.rb
@@ -34,7 +34,7 @@ class Vacuum::StatusesVacuum
   def statuses_scope
     Status.unscoped.kept
           .joins(:account).merge(Account.remote)
-          .where('statuses.id < ?', retention_period_as_id)
+          .where(statuses: { id: ...retention_period_as_id })
   end
 
   def retention_period_as_id
diff --git a/app/models/concerns/expireable.rb b/app/models/concerns/expireable.rb
index c64fc7d807..26740e8213 100644
--- a/app/models/concerns/expireable.rb
+++ b/app/models/concerns/expireable.rb
@@ -4,7 +4,7 @@ module Expireable
   extend ActiveSupport::Concern
 
   included do
-    scope :expired, -> { where.not(expires_at: nil).where('expires_at < ?', Time.now.utc) }
+    scope :expired, -> { where.not(expires_at: nil).where(expires_at: ...Time.now.utc) }
 
     def expires_in
       return @expires_in if defined?(@expires_in)
diff --git a/app/models/invite.rb b/app/models/invite.rb
index 2fe9f22fbe..ea095a3ac1 100644
--- a/app/models/invite.rb
+++ b/app/models/invite.rb
@@ -24,7 +24,7 @@ class Invite < ApplicationRecord
   belongs_to :user, inverse_of: :invites
   has_many :users, inverse_of: :invite, dependent: nil
 
-  scope :available, -> { where(expires_at: nil).or(where('expires_at >= ?', Time.now.utc)) }
+  scope :available, -> { where(expires_at: nil).or(where(expires_at: Time.now.utc..)) }
 
   validates :comment, length: { maximum: COMMENT_SIZE_LIMIT }
 
diff --git a/app/policies/backup_policy.rb b/app/policies/backup_policy.rb
index 86b8efbe96..7a4c5b4347 100644
--- a/app/policies/backup_policy.rb
+++ b/app/policies/backup_policy.rb
@@ -4,6 +4,6 @@ class BackupPolicy < ApplicationPolicy
   MIN_AGE = 6.days
 
   def create?
-    user_signed_in? && current_user.backups.where('created_at >= ?', MIN_AGE.ago).count.zero?
+    user_signed_in? && current_user.backups.where(created_at: MIN_AGE.ago..).count.zero?
   end
 end
diff --git a/app/workers/scheduler/ip_cleanup_scheduler.rb b/app/workers/scheduler/ip_cleanup_scheduler.rb
index f78c0584d7..04fb0aaa33 100644
--- a/app/workers/scheduler/ip_cleanup_scheduler.rb
+++ b/app/workers/scheduler/ip_cleanup_scheduler.rb
@@ -16,11 +16,11 @@ class Scheduler::IpCleanupScheduler
   private
 
   def clean_ip_columns!
-    SessionActivation.where('updated_at < ?', SESSION_RETENTION_PERIOD.ago).in_batches.destroy_all
-    SessionActivation.where('updated_at < ?', IP_RETENTION_PERIOD.ago).in_batches.update_all(ip: nil)
-    User.where('current_sign_in_at < ?', IP_RETENTION_PERIOD.ago).in_batches.update_all(sign_up_ip: nil)
-    LoginActivity.where('created_at < ?', IP_RETENTION_PERIOD.ago).in_batches.destroy_all
-    Doorkeeper::AccessToken.where('last_used_at < ?', IP_RETENTION_PERIOD.ago).in_batches.update_all(last_used_ip: nil)
+    SessionActivation.where(updated_at: ...SESSION_RETENTION_PERIOD.ago).in_batches.destroy_all
+    SessionActivation.where(updated_at: ...IP_RETENTION_PERIOD.ago).in_batches.update_all(ip: nil)
+    User.where(current_sign_in_at: ...IP_RETENTION_PERIOD.ago).in_batches.update_all(sign_up_ip: nil)
+    LoginActivity.where(created_at: ...IP_RETENTION_PERIOD.ago).in_batches.destroy_all
+    Doorkeeper::AccessToken.where(last_used_at: ...IP_RETENTION_PERIOD.ago).in_batches.update_all(last_used_ip: nil)
   end
 
   def clean_expired_ip_blocks!
diff --git a/app/workers/scheduler/scheduled_statuses_scheduler.rb b/app/workers/scheduler/scheduled_statuses_scheduler.rb
index fe60d5524e..4e251780de 100644
--- a/app/workers/scheduler/scheduled_statuses_scheduler.rb
+++ b/app/workers/scheduler/scheduled_statuses_scheduler.rb
@@ -20,7 +20,7 @@ class Scheduler::ScheduledStatusesScheduler
   end
 
   def due_statuses
-    ScheduledStatus.where('scheduled_at <= ?', Time.now.utc + PostStatusService::MIN_SCHEDULE_OFFSET)
+    ScheduledStatus.where(scheduled_at: ..Time.now.utc + PostStatusService::MIN_SCHEDULE_OFFSET)
   end
 
   def publish_scheduled_announcements!
diff --git a/app/workers/scheduler/user_cleanup_scheduler.rb b/app/workers/scheduler/user_cleanup_scheduler.rb
index 63ea876e50..74abc23701 100644
--- a/app/workers/scheduler/user_cleanup_scheduler.rb
+++ b/app/workers/scheduler/user_cleanup_scheduler.rb
@@ -25,7 +25,7 @@ class Scheduler::UserCleanupScheduler
   end
 
   def clean_discarded_statuses!
-    Status.unscoped.discarded.where('deleted_at <= ?', DISCARDED_STATUSES_MAX_AGE_DAYS.days.ago).find_in_batches do |statuses|
+    Status.unscoped.discarded.where(deleted_at: ..DISCARDED_STATUSES_MAX_AGE_DAYS.days.ago).find_in_batches do |statuses|
       RemovalWorker.push_bulk(statuses) do |status|
         [status.id, { 'immediate' => true, 'skip_streaming' => true }]
       end
diff --git a/lib/mastodon/cli/preview_cards.rb b/lib/mastodon/cli/preview_cards.rb
index 9b20a0cbb8..c0e207ad59 100644
--- a/lib/mastodon/cli/preview_cards.rb
+++ b/lib/mastodon/cli/preview_cards.rb
@@ -29,7 +29,7 @@ module Mastodon::CLI
       link     = options[:link] ? 'link-type ' : ''
       scope    = PreviewCard.cached
       scope    = scope.where(type: :link) if options[:link]
-      scope    = scope.where('updated_at < ?', time_ago)
+      scope    = scope.where(updated_at: ...time_ago)
 
       processed, aggregate = parallelize_with_progress(scope) do |preview_card|
         next if preview_card.image.blank?
diff --git a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
index 4d9185093a..08ebf82785 100644
--- a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
+++ b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
@@ -163,7 +163,7 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
       def cleanable_statuses_count
         Status
           .where(account_id: [account_alice, account_chris, account_erin]) # Accounts with enabled policies
-          .where('created_at < ?', 2.weeks.ago) # Policy defaults is 2.weeks
+          .where(created_at: ...2.weeks.ago) # Policy defaults is 2.weeks
           .count
       end
     end