Str@nnik, Пробуй:
$mysqli->query("select * from `bet_bets` where (`user_id1`= '$user_id' or `user_id2`= '$user_id') and `status` = 1 order by `time` asc;"); Str@nnik, Пробуй:
$mysqli->query("select * from `bet_bets` where (`user_id1`= '$user_id' or `user_id2`= '$user_id') and `status` = 1 order by `time` asc;");