UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xk1QbsxPSfB1t97en8qIZYpc7ua3gtRMBj0C+ML/f50=' 
WHERE 
  key_id = '6fcce8c5e564b174e9407f31d3fc1bec780e85e23ad920ac5b0c9189433670e1' 
  AND (
    token = 'Xk1QbsxPSfB1t97en8qIZYpc7ua3gtRMBj0C+ML/f50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )