UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeRj6Ho5BNuGS0K1rqbEF0oabqaUudffj8//XGDrWC0=' 
WHERE 
  key_id = '3a3ab7ffbab8481f19283656cea8c608a6a7818bea30449f487965024258efe1' 
  AND (
    token = 'MeRj6Ho5BNuGS0K1rqbEF0oabqaUudffj8//XGDrWC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )