UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6Gq7VeeSkkbGhF3vDJPzeY25Kk1AHQNMPwx9ek119k=' 
WHERE 
  key_id = '1f71689aefaebb14a5602c7c4cd9809a5f7af32e416be688e59f45e6c29420df' 
  AND (
    token = 'u6Gq7VeeSkkbGhF3vDJPzeY25Kk1AHQNMPwx9ek119k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )