When I had a break in, I was gonna buy a new lock and have it rekeyed. I called two locksmiths and one said $45 the other said $30. And that was with me bringing in the actual lock already removed from the door. It was WAY more if he had to R&R the lock.
Since it was the passenger door, I said fuckit and put a non-keyhole handle on it. That was actually my excuse to the wife to get color matched doorhandles. I bought 4 color matched handles for the same price it would have cost for one new textured handle, a new lock, and then the cost to have said lock rekeyed to match the rest of my locks.