Bezoekers statistieken insert/update

$updatequery = mysql_query("UPDATE database.Statistieken
     SET ip =  '".$ipaddr."',
           Language = '".$language."',
          /* enzovoorts */
     WHERE iets = iets");
?>

<?php
//Edited by Mike Stuard @ Wednesday 1 August 2007
$dbhost = "localhost";
$dbuser = "database";
$dbpass = "password";
$dbname = "database";

mysql_connect($dbhost,$dbuser,$dbpass);
mysql_select_db($dbname);

    //--- set easy vars!
    $ipaddr = $_SERVER['REMOTE_ADDR'];
    $date = date('d/m/Y');
    $time = date('H.i.s');

    //--- set languages
    $lang['nl'] = "NL";
    $lang['us'] = "USA";
    $lang['hu'] = "Hungarian";
    $lang['de'] = "Germany";
    $lang['fr'] = "France";
    $lang['be'] = "Belgium";
    $lang['au'] = "Australia";
    $lang['se'] = "Sweden";
    $lang['fi'] = "Finland";
    $lang['uk'] = "UK";

    //--- get country from hostname!
    $hostname = gethostbyaddr($ipaddr);
    $hostname_slizes = explode('.', $hostname);
    $count_slizes = count($hostname_slizes);
    $piece = $count_slizes - 1;
    $extention = $hostname_slizes[$piece];

    //--- check if country code is defined above
    if ($lang[$extention]) {
        $language = $lang[$extention]; }
    else {
        $language = "Unknown"; }

    //--- set platforms
    $agent['windows'] = "Windows";
    $agent['mac'] = "Macinotosh";
    $agent['linux'] = "Linux";
    $agent['unix'] = "Unix";

    //-- define user agent
    $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);

    foreach($agent as $key => $value)
    {
        if (preg_match("/" . $key . "/", $user_agent))
            $platform = $agent[$key];
    }
    if (!$platform) {
        $platform = "Unknown"; }


// Hier het nieuwe gedeelte voor de update
$query = mysql_query("SELECT Language, Platform FROM database.Statistieken WHERE ip='$ipaddr' OR Platform='$platform'")
or die(mysql_error());
while($object = mysql_fetch_object($query)){
$dblanguage = $object->Language; // check Language
$dbagent = $object->Platform; // check Platform (User Agent)

if (!$language == $dblanguage && !$user_agent == $dbagent) {
$updatequery = mysql_query("UPDATE database.Statistieken SET ip='$ipaddr' AND Platform='$platform' AND Time='$time' AND Date='$date'")
or die(mysql_error()); }
else {

    //--- echo die sjit!
    echo "<p>Client IP: " . $ipaddr . "<br />";
    echo "Client language: " . $language . "<br />";
    echo "Client platform: " . $platform . "<br />";
    echo "Client time: " . $time . "<br />";
    echo "Client date: " . $date . "</p>";

mysql_query("INSERT INTO database.Statistieken (ip,Language,Platform,Time,Date)VALUES ($ipaddr,$language,$platform,$time,$date)")
or die(mysql_error());
}
?>