UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'omEv1nACUFaFwgf29q7S9DUMqd6NWGfajTDUYDNIczY=' 
WHERE 
  key_id = '76ec3d69d0db53dd83882cf780209cb4d84b31008dec7589d640f4298d37d894' 
  AND (
    token = 'omEv1nACUFaFwgf29q7S9DUMqd6NWGfajTDUYDNIczY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )