te folosesti de gettime() care returneaza unix timestamp-ul.
static playerCommandDelay[MAX_PLAYERS]; //global scope
YCMD:enterparty(playerid, params[], help) {
if(PlayerInfo[playerid][pAdmin] < 0) return SCM(playerid, COLOR_WHITE, AdminOnly);
if(gettime() - playerCommandDelay[playerid] < (5 * 60)) return 1;
if(GetPlayerState(playerid) == 2) SetVehiclePosEx(playerid, GetPlayerVehicleID(playerid), 241.5090,-1821.7465,13.3);
else SetPlayerPosEx(false, playerid, 241.5090,-1821.7465,13.3);
SetPlayerInterior(playerid,0);
InHQ[playerid] = -1;
InHouse[playerid] = -1;
InBussines[playerid] = -1;
SetPlayerVirtualWorld(playerid,1);
playerCommandDelay[playerid] = gettime();
return true;
}