_update_record

# File activerecord/lib/active_record/timestamp.rb, line 111
    def _update_record
      if @_touch_record && should_record_timestamps?
        current_time = current_time_from_proper_timezone

        timestamp_attributes_for_update_in_model.each do |column|
          next if will_save_change_to_attribute?(column)
          _write_attribute(column, current_time)
        end
      end

      super
    end