wordpress fix siteurl

$url = 'http://yourhomepage.com/';
require('wp-config.php');
$link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
mysql_select_db(DB_NAME);
mysql_query('UPDATE wp_options SET option_value = "' . $url . '" WHERE option_name = "siteurl" OR option_name = "home"');