take the ignition cylinder out and have the tumblers replaced by a locksmith. Cost me less than 50 bucks and about 10 mins total taking in and out. you will keep the original matching keys.
Problems with your ignition turning
You need to pull your ignition cylinder out and have the tumblers replaced. I have a '99 4runner that had to have this done. Some threads will tell you to replace it with a new one or or a used one and have it keyed. I took mine out by myself in about 5...