enum LEADERS_INFO
{
    leadID,
    leadPlayTime,
    leadfrac,
    name
}

new LeadInfo[MAX_PLAYERS][LEADERS_INFO];
new lead_played_time[MAX_PLAYERS] = -1;

public OnPlayerConnect(playerid) {
    if(PlayerInfo[playerid][pLeader] >= 1)
    {
        lead_played_time[playerid] = SetTimerEx("Leader_PlayedTime", 1000, true, "d", playerid);
    }
}

public OnPlayerDisconnect(playerid, reason) { // когда игрок выходит с сервера обязательно удалить таймер
    if (lead_played_time[playerid] != -1) KillTimer(lead_played_time[playerid]);
}

public Leader_PlayedTime(playerid) {
    new player_name[MAX_PLAYER_NAME + 1];
    GetPlayerName(playerid, player_name, sizeof player_name)
    LeadInfo[playerid][leadPlayTime] ++;
    format(cmdstr,sizeof(cmdstr),"UPDATE `leaders` SET unix_join = unix_join + 1 WHERE lead_id = %d AND name = '%s'", LeadInfo[playerid][leadPlayTime], LeadInfo[playerid][leadID], player_name);
    mysql_tquery(connects, cmdstr);
    return 1;
}

CMD:getstat(playerid) {
     new left_seconds = LeadInfo[playerid][leadPlayedTime];
     new hours = left_seconds / 3600;
     new seconds = left_seconds % 3600;
     new minutes = seconds / 60;

    format(cmdstr, sizeof(cmdstr), "За сегодня вы отыграли: %s:%s:%s", hours, minutes, seconds);
    SendClientMessage(playerid, COLOR_WHITE, cmdstr);
    return true;

     // и выводишь это всё дело куда хочешь
}