UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llJ7Q6DxadZx6SUfDrMytFYzdHSUj+C/6AS16gzD98k=' 
WHERE 
  key_id = '42738b526cb589410a68528c211c3cf4a5d1df318696035eaa985984405431c8' 
  AND (
    token = 'llJ7Q6DxadZx6SUfDrMytFYzdHSUj+C/6AS16gzD98k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )