MAH9IK,
mysql_query("update `downfiles` set `way` = '".$newway."', `size` = '".$_FILES['file']['size']."', `time` = '" . time() . "' where `id` = '" . $file . "';");Не в условие надо ставить, а в SET
MAH9IK,
mysql_query("update `downfiles` set `way` = '".$newway."', `size` = '".$_FILES['file']['size']."', `time` = '" . time() . "' where `id` = '" . $file . "';");