The second-half goal from Payne was the only goal of the game. Swindon won 1-0 (0-0) away to Salford in the England League Two.
The result means the fourth game in a row without a win for Salford.
The last outing between the teams ended in a 2-3 away win for Swindon in November 2019.
In the next games in the England League Two, Salford will take on Newport County (home) on 2021-08-28, Carlisle (away) on 2021-09-04 and Bradford (home) on 2021-09-11. Swindon play Mansfield (home) on 2021-08-28, Stevenage (away) on 2021-09-04 and Port Vale (home) on 2021-09-11.