CREATE TABLE settings (
  setting_key VARCHAR(255) NOT NULL PRIMARY KEY,
  setting_value TEXT NULL
);

INSERT INTO `settings` (`setting_key`, `setting_value`) VALUES
('youtube_api_key', ''),
('recaptcha_site_key', ''),
('recaptcha_secret_key', ''),
('smtp_host', ''),
('smtp_port', ''),
('smtp_username', ''),
('smtp_password', ''),
('smtp_encryption', 'tls');

-- It's highly recommended to update your users table for better security
-- ALTER TABLE `users` CHANGE `password` `password` VARCHAR(255) NOT NULL;