MatthiasMullie\Scrapbook\Adapters\MySQL::add PHP Метод

    public function add($key, $value, $expire = 0)
    {
        $value = $this->serialize($value);
        $expire = $this->expire($expire);
        $this->clearExpired();
        // MySQL-specific way to ignore insert-on-duplicate errors
        $statement = $this->client->prepare("INSERT IGNORE INTO {$this->table} (k, v, e)\n            VALUES (:key, :value, :expire)");
        $statement->execute(array(':key' => $key, ':value' => $value, ':expire' => $expire));
        return $statement->rowCount() === 1;
    }