UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N5J1gNwJnjAGwgwN50UWjFEP8jsMPadxGI9FXpMoTYw=' 
WHERE 
  key_id = '4bfc51eadbec387fd2d040f96cc88f2f56ca712e90925a31e038f1338f614d46' 
  AND (
    token = 'N5J1gNwJnjAGwgwN50UWjFEP8jsMPadxGI9FXpMoTYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )