// 1 - Steamid64; 2 - скидка; 3 - кол-во секунд на сколько скидка
Rp.Upgrades.AddDiscount(76561198835431445, 0.2, 3600 ,cback)

function Rp.Upgrades.AddDiscount(steamid, amount_disc, until_t,cback)
    db:Query('INSERT INTO `discount`  (`SteamID`, `Discount`, `Until` ) VALUES(?, ?);', steamid, amount_disc,until_t,cback)
end