Mike,
If you haven't run across Nick's article and video on Press programming, here they are:
Intermediate Programming for the Upper Body Lifts (article) -
Intermediate Programming for the Upper Body Lifts | Nick Delgadillo
Press and Bench Press Programming – Getting and Staying Unstuck -
Press and Bench Press Programming - Getting and Staying Unstuck | Nick Delgadillo
The concepts work very well, especially for those of us in our mid-50s. Another thing to keep in mind for us is that Intensity is king for all of the lifts, and for the presses, Frequency is a close second, Volume is a distant third. It looks like you have the frequency nailed for your OHP, but looking at your light Press day, 60% is probably way too light. Perhaps more like 85-90% will work for you (I find 90% keeps everything moving just fine, pressing twice a week as outlined in the 4-day Heavy/Light split example in BBRx), with a 3x5 for the Heavy day as well as the Light day, although if I'm feeling too beat up on that light day, I'll drop a set to 2x5.
Whichever route you take, keep at it!