UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VRMw32T9b/QCvaK9H7pIuNQRwxkGyiNzV1P9iwO3qBs=' 
WHERE 
  key_id = '21b7217a80a9dba52f8a902ebcc07cd8efe03d243d6082397bc204669a4f0125' 
  AND (
    token = 'VRMw32T9b/QCvaK9H7pIuNQRwxkGyiNzV1P9iwO3qBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )