UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVb4vbin1hUuJBT6V6scTFNFLi5gfeH9woJ0Z6PQx94=' 
WHERE 
  key_id = 'ca5e95e8718fb691ad4e24eb03ac29d126b8d120086e550a6bc250c0fb685267' 
  AND (
    token = 'MVb4vbin1hUuJBT6V6scTFNFLi5gfeH9woJ0Z6PQx94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )