OP: Pay no attention to indyfabz...He sometimes does feel a need to post snarky comments without even trying to help.

Dr.Isotope gave good advice...I would only add that CO2 will ruin tire sealant; I believe it causes it to dry out, or turn to sludge or something. As long as you had 60psi, you were fine to ride home. Otherwise it's best to use the pump.