code: def set_verified(self, msg_info):
          
          assert hasattr(msg_info, 'files_containers_id')
          with self._session_resource as session:
              session.execute(
                  update(FilesDestinations)
                      .where(FilesDestinations.file_containers_id == msg_info.files_containers_id)
                      .values(verification_info=msg_info.msg_id)
              )
  
          self.update_last_checked_time(msg_info)
docs: expects "msg_info" to have the field 'files_containers_id'
  
              This call already executes "update_last_checked_time" so it doesn't need to be called separately