Clone website.
New site url:
mysql> update wp_options set option_value=”http://newurl.xyz” where option_name=”home”;
mysql> update wp_options set option_value=”http://newurl.xyz” where option_name=”siteurl”;
Disable comments:
mysql> update wp_options set option_value=’closed’ where option_name=’default_comment_status’;
mysql> UPDATE wp_posts SET comment_status=”closed”;
Prevent any changes:
move away wp-admin and wp-login.php