Fixed manual appearance bans accepting a duration. Tidied up and improved a SQL query.

code/modules/admin/DB ban/functions.dm

@@ -27,6 +27,7 @@ datum/admins/proc/DB_ban_record(var/bantype, var/mob/banned_mob, var/duration =
 			bantype_pass = 1
 		if(BANTYPE_APPEARANCE)
 			bantype_str = "APPEARANCE_BAN"
+			duration = -1
 			bantype_pass = 1
 	if( !bantype_pass ) return
 	if( !istext(reason) ) return

code/modules/admin/banappearance.dm

@@ -59,7 +59,7 @@ DEBUG
 			return
 
 		//appearance bans
-		var/DBQuery/query = dbcon.NewQuery("SELECT ckey, job FROM erro_ban WHERE bantype = 'APPEARANCE_BAN' AND isnull(unbanned)")
+		var/DBQuery/query = dbcon.NewQuery("SELECT ckey FROM erro_ban WHERE bantype = 'APPEARANCE_BAN' AND NOT unbanned = 1")
 		query.Execute()
 
 		while(query.NextRow())