UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8PgWLz3wh15VMYjfudIrxRZeZXrOGW5bG3FpeEjnDc=' 
WHERE 
  key_id = '3999de564ea6bd7593ff289b1b2eb517cb308728e4f86137cdca87686aece7f5' 
  AND (
    token = 'N8PgWLz3wh15VMYjfudIrxRZeZXrOGW5bG3FpeEjnDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )