I pretty much gave up on hygiene when that dog, impolite cur that he was, sniffed my pack, then raised a leg.
If there is one thing that unites pilgrims it is the nagging thoughts on security. It probably colors (colours, for the non-English speaking) every dropping of the pack -- "will my wet pack be OK if I leave it just outside the door to the bar?"
There is no solution, just useful tips on mitigation. The world, modern and medieval, is a perilous place. My tip: Don't let security spoil your pilgrimage.
First, do all the prudent things as you travel. You know what they are.
Next, do a disaster drill in your mind: What if I lose everything? If you know you can survive that, then you know there really is nothing to worry about. You will be OK even in the worst case. Move back one step and decide what would be the most inconvenient to lose, and protect that the most. Taking wallet, watch, passport, credential, camera, and credit/debit cards into the shower (and sleeping bag) is probably worth it. Taking your pack may not be. Spreading money, cards, and documents around your person and pack may reduce the threat of robbers and pickpockets. If you cannot stand losing something, maybe it should be left at home.
In the end, you simply need to live in, and enjoy, the moment, or you can lose what you hoped to find.