My advice would be don't start to reduce your descent rate at 50ft. It's too soon. Keep driving down at the TD point then, at 30R, look at the far end of the runway. At 20R close the TL smartly and flare (only 1-2 degrees), squeeze the rudder to eliminate the drift angle and use the side-stick as required to hold the wings level. Imagine trying to fly low about 2ft above the runway and just hold the attitude. You need to look at the far-end to do this. The aircraft will just sit down. Don't try to hold off to achieve a gentle touchdown - it doesn't work because A320 series land more smoothly the flatter the touchdown attitude. Make sure the TL are closed as you flare and not later otherwise the auto-thrust will add power leading to a float.