UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZQSiMxGfTvNPLcUSQn8fA0EFgptaUFHCQ5UKlPnPDEI=' 
WHERE 
  key_id = '834661ce83d4063a7be95726574b352071683225e8fb962058fae7f9898af56d' 
  AND (
    token = 'ZQSiMxGfTvNPLcUSQn8fA0EFgptaUFHCQ5UKlPnPDEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )