I've had positive experiences with the following guys who are in their 40s/50s. Most of them aren't silver fox-types, however.
Randy
https://www.masseurfinder.com/massage-therapists/35784/
Mark
https://www.masseurfinder.com/massage-therapists/1521/
Eddie
https://www.masseurfinder.com/massage-therapists/7643/
Dave
https://rentmasseur.com/MuscleMechanic
Josef
https://rentmasseur.com/Italiansoothing
Brian
https://m.adam4adam.com/profile/view/HandsOnLA