Easy for you to get back into the sport, but will you be happy not getting back to 12? I play off 13.
Fitted clubs allow me to compete at aged 60. Buying kit off here or e bay can be a bit of a lottery. And a waste of money.
If you are serious go to a good fitter let them speak to you about the modern equipment, to match your swing speed.
At my age very light Cobra woods/metals achieve fantastic results for me.
Ping irons are also great improvement clubs.
Choose a good pro you get on with for a few lessons. I go to a group lesson once a week, invaluable.
I play a lot of tournament golf so its important to me to be able to compete, if you just want to play social golf maybe not so important?