Earls had gathered his own chip-and-chase to put the Sale defence under pressure and O'Gara set up the ruck by bravely diving to win possession after Warwick's kick infield.
The 2009 Paddy Power Gold Cup winner obliged at 5-2 for trainer Edward O'Grady, ahead of J'y Vole in second, with former RSA Chase winner Cooldine out of the places for Mullins.