module Doorkeeper::AccessTokenMixin::ClassMethods

def matching_token_for(application, resource_owner_or_id, scopes)
  resource_owner_id = if resource_owner_or_id.respond_to?(:to_key)
                        resource_owner_or_id.id
                      else
                        resource_owner_or_id
                      end
  tokens = authorized_tokens_for(application.try(:id), resource_owner_id)
  find_matching_token(tokens, application, scopes)
end