assert(con:execute("create table tokens ( prefix char("..pl..") primary key, token char("..len..") unique not null, ttl int, gpg_id char(15) null);"))-- ttl - time to live
assert(con:execute("create table graveyard ( prefix char("..pl..") primary key, token char("..len..") unique not null, ttrd int, gpg_id char(15) null);"))-- ttrd - time to real death
assert(con:execute("create table users ( name text primary key, ntc int);"))-- ntc - new token count