UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yMZs3kjf7M5JFlw0iDMQQXdvjcqT2rqh30kmprN8mP8=' 
WHERE 
  key_id = '68e29a3f48127e7a3696552e79bf6831699c902da42ac9664b5fce69ca279545' 
  AND (
    token = 'yMZs3kjf7M5JFlw0iDMQQXdvjcqT2rqh30kmprN8mP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )