Both will destroy the delicate aromatics offered by the honey.
Unless it contains dead bees, dirt, or pieces of honeycomb, sugary honey should already be sanitary. Pitch slightly warmed honey (for better viscosity) at high krausen in the primary. At high krausen, the yeast will already be in 5th gear chewing on all of the maltose and maltriose. The addition of honey will kick them into 6th gear.