fixed graveyard inconsistence bug

door/addtoken.lua

@@ -66,15 +66,16 @@ if name == "" then
       print "ERROR - token already exists .. please try again."
       exit(env,con)
     end
- 
+
     cur = con:execute("insert into users (name, ntc) values ('"..name.."', 1);")
     if cur == 1 then
         print("* add user " .. name)
       else
         assert(con:execute("update users set ntc=ntc+1 where name='"..name.."';"))
     end
-    ttl = os.time() + config.ttl 
+    ttl = os.time() + config.ttl
     assert(con:execute("insert into tokens (prefix, token, ttl) values ('"..prefix.."', '"..token.."', "..ttl..");"))
+    assert(con:execute("delete from graveyard where prefix='"..prefix.."';"))
     print "* add token:"
     print(token)
     print("* prefix to remember: "..prefix)