I'd drain most of the water and move away.
Get a garbage can or two, siphon at least 3/4th of the water into it, and move the tank and pump the water back in quick. Just leave enough water so any fish are still submerged and not laying on the bottom. Be careful not to lean or twist the tank/stand as you move, just take the wt evenly and slide gently. Use 4 people to make it easy.
Done in 15 min. No worries.
Get a garbage can or two, siphon at least 3/4th of the water into it, and move the tank and pump the water back in quick. Just leave enough water so any fish are still submerged and not laying on the bottom. Be careful not to lean or twist the tank/stand as you move, just take the wt evenly and slide gently. Use 4 people to make it easy.
Done in 15 min. No worries.