UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X4/srKIWLXXOr91zpYI3RQjr10gTFf387yToUGk+uiQ=' 
WHERE 
  key_id = '633562ac210056713936b6e9b515d66e7a21a40c2387b7a189787711fedc13af' 
  AND (
    token = 'X4/srKIWLXXOr91zpYI3RQjr10gTFf387yToUGk+uiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )