Diff

--- a/plugins/mod_storage_sql2.lua	Sat Jan 18 18:46:12 2014 +0000
+++ b/plugins/mod_storage_sql2.lua	Tue Jan 21 00:51:31 2014 +0100
@@ -224,7 +224,7 @@
 	return engine:transaction(function()
 		local key = key or uuid.generate();
 		local t, value = serialize(value);
-		engine:delete("DELETE FROM `prosodyarchive` WHERE `host`=? AND `user`=? AND `store`=? AND KEY=?", host, user or "", store, key);
+		engine:delete("DELETE FROM `prosodyarchive` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", host, user or "", store, key);
 		engine:insert("INSERT INTO `prosodyarchive` (`host`, `user`, `store`, `when`, `with`, `key`, `type`, `value`) VALUES (?,?,?,?,?,?,?,?)", host, user or "", store, when, with, key, t, value);
 		return key;
 	end);