UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6kxD2OnvOenGI+1SwZDhiqzeceOexaAO1IHJN3u+yAg=' 
WHERE 
  key_id = '8493d8bfd7241b121d7de95867b84ac0cf1a0d0c6d8e3f9ef6cc442701fb01b8' 
  AND (
    token = '6kxD2OnvOenGI+1SwZDhiqzeceOexaAO1IHJN3u+yAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )