code: public function write($uid, $mixed) {
          $options = $this->getOptions();
          $this->adapter->query(sprintf('INSERT INTO %s (%s, %s) VALUES ("%s", %s)', $options['table'], $options['column_key'], $options['column_value'], $uid, $this->adapter->getPlatform()->quoteValue(serialize($mixed))), Adapter::QUERY_MODE_EXECUTE);
          return true;
      }
docs: Write datas on $uid key
  @param mixed $uid
  @param mixed $mixed