UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rgU1ci5sKTi9Ja7yO9joyv2UehM5z/BfHZPyG5teyxE=' 
WHERE 
  key_id = '1c76e7757932699a756985687176b7907f780479e0b5edf76c1a3bddf91a8169' 
  AND (
    token = 'rgU1ci5sKTi9Ja7yO9joyv2UehM5z/BfHZPyG5teyxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )