UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8LlDKzTBzL+ZDTj5uWNZK8avHUrpL7FBCH3+bS0TKI=' 
WHERE 
  key_id = '8037f4cfbdbff624498f1f3c3ddac321ae491973027b32aec7df4df21646a95b' 
  AND (
    token = 'u8LlDKzTBzL+ZDTj5uWNZK8avHUrpL7FBCH3+bS0TKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )