prevent a single image queuing 10+ jobs

app/jobs/update_external_cache_job.rb

@@ -4,7 +4,6 @@ class UpdateExternalCacheJob < ApplicationJob
   queue_as :cache
 
   def perform(image)
-    return unless image.cache_expired? || image.cached_data.blank?
     image.update_cache!
   end
 end

app/models/external_api_image.rb

@@ -145,7 +145,9 @@ class ExternalAPIImage < ApplicationRecord
     end
 
     def update_cache
+      return if @cache_updated
       UpdateExternalCacheJob.perform_later(self)
+      @cache_updated = true
     end
 
     def update_cache!