PHP Code:
set YOURJID = (SELECT UserJID FROM [SRO_VT_SHARD].[dbo].[_User] where CharID = YOURCHARID)
/* Clean Chest */
UPDATE SRO_VT_SHARD.._Chest
set ItemID = 0
where UserJID = YOURJID and ItemID != 0
/* Clean Inven */
UPDATE SRO_VT_SHARD.._Inventory
set ItemID = 0
where CharID = YOURCHARID and ItemID != 0
PS: thx to epvpers converting @

s to "Mentionings"