UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KxYUimvwrDLTM9BL1K84Uj0YIM0ic3RQOYGuIzFfQI0=' 
WHERE 
  key_id = '647ed12fa257c3facd4ca697458b971d50f96fd03cc53dc23fbd17478648b152' 
  AND (
    token = 'KxYUimvwrDLTM9BL1K84Uj0YIM0ic3RQOYGuIzFfQI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )