UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4RvwuyxoV5gK+Lpjtpo76UezWzGVoXaYXJGwYlF9Q7U=' 
WHERE 
  key_id = '8503ff4d48659a55e76aba286fc355f3ea95f6ad03b8a67235582746daec450c' 
  AND (
    token = '4RvwuyxoV5gK+Lpjtpo76UezWzGVoXaYXJGwYlF9Q7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )