I have a friend who doesn't wash very much at all, practically just rinses the print off, after the bleach. He likes the paper to stain a little. I think he uses Berg sepia toner. Basically my point is your print should be fine.
Sepia toner is such a simple thing. You should just mix it yourself. For a few bucks more you will have nearly a lifetime supply. You only need KFerricyanide, KBr, and Sodium Sulfide. Easy peasy. You can mix it loosely too, especially the b bath. I normally just throw a teaspoon full in a tray and stir it in. If you mix it yourself you can also alter the bleach to change the tone if you are so inclined.