UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ku79epC3PXp5u8eaGhE7uM/Wd6H7SjsqQtWpn/DfPac=' 
WHERE 
  key_id = '1748fbfacb9e2371ee2b2fc4c2c92c0701a15f66a5027b06de7461a1799422cc' 
  AND (
    token = 'ku79epC3PXp5u8eaGhE7uM/Wd6H7SjsqQtWpn/DfPac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )