Yeah, the belt and water pump SHOULD be ok, but to be safe, always change it at 60k.
Like I said B4, my goddamn belt broke 3 days before I was gonna fix it, I had all the parts and everything. Just my luck
The belts are RATED for 60k miles, technically they can go longer, but it really depends upon your driving habits, and MORE IMPORTANTLY, the weather conditions u regularly drive in (freezing vs desert, dry vs humid, etc)
If u wait for the inevitable, it will end up being more of a headache, don't know how many times I've proven this to myself... after many long nights and continuous swearing, lol.
Later