UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gm3Gvm8MCDHj59skkgr7H3tRTr2su1syWxMsbbxtT/Y=' 
WHERE 
  key_id = 'd39b78b281246a6dc9e55b61e628fea50a691ce59cc072234655ce73f4276bff' 
  AND (
    token = 'gm3Gvm8MCDHj59skkgr7H3tRTr2su1syWxMsbbxtT/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )