UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EuT5bRo/nyPYdHWIzrpXoYJhCVfasaXWVpSiG39Jm/M=' 
WHERE 
  key_id = '23d12d8a67f300b9b88224114bed77ca6393f61234a810ba7767d777ad97a0ea' 
  AND (
    token = 'EuT5bRo/nyPYdHWIzrpXoYJhCVfasaXWVpSiG39Jm/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )