UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gvBlQPDYnvPftBnZU6z4jKuXG81AHUWI7iZLm98VjdE=' 
WHERE 
  key_id = '791f75ae6323d9e021b47c19180a6d149b8331e231b2365e714977ee3b39b2e1' 
  AND (
    token = 'gvBlQPDYnvPftBnZU6z4jKuXG81AHUWI7iZLm98VjdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )