UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6/dzuHp7fvVSjVPB2+o7vgAHreYNmkop8BGDdKMdtog=' 
WHERE 
  key_id = '4be96c428ae4f6afbb6d1535331c7a330971bb608c1addd12a063626c0232e65' 
  AND (
    token = '6/dzuHp7fvVSjVPB2+o7vgAHreYNmkop8BGDdKMdtog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )