GF has two products that would work well.
For non-professional finishers, we recommend using General Finishes Arm-R-Seal Topcoat.
Arm-R-Seal is oil based and will amber. Be sure to apply liberally with a foam brush or roller, letting the product self-level a bit. A liberal application will help you avoid streaks caused by back-brushing and pressure. Stir product thoroughly before and during application because flatting agents settle quickly in a solvent base finish.
For experienced professional finishers who spray, we recommend our two-step General Finishes Conversion Varnish, which would cure in half the time and dries clear.
Even though General Finishes products are water resistant, they are not impervious to standing water condensation (like an epoxy finish). As with any fine furniture finish, spills should be wiped up in a timely manner. We recommend using coasters to protect your wood from water condensation and pot holders to protect from heat.