UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2LFNSa8lRy77A7MPUv7yKza20lISXT1yFg8StUM/Fac=' 
WHERE 
  key_id = '4855cdc46a1df1d400a55ece29b7caa4f27632a5f8ffaec360b95206fd92adb8' 
  AND (
    token = '2LFNSa8lRy77A7MPUv7yKza20lISXT1yFg8StUM/Fac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )