You get what you pay for. Asking for help and insulting our love of Perl is not really smart. I suggest you do what I do and update your scripts to include the Turbo module. You call it like this:
Be carefull though, shopping carts are unstable at high speeds.
My sympathies on your query. Dropping "perl shopping cart" into Google will surely return the entire net. I suggest you look at a couple of sites you like and try to figure out what shopping cart they are running. Send the webmaster an email, or better yet, call their customer support and ask.