UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a8s1ioYKgJiDckXSHc0k82ZZMrbYnGY6h3XG2wleqt0=' 
WHERE 
  key_id = '93fa418679317f63d5b2cba87850a776713aa341d2ac1e1e8966edec7e2706a4' 
  AND (
    token = 'a8s1ioYKgJiDckXSHc0k82ZZMrbYnGY6h3XG2wleqt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )