CREATE TABLE IF NOT EXISTS `ip_attempts` (
    `id` INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    `ip_address` VARCHAR(45) NOT NULL,
    `attempts` INT DEFAULT 0 NOT NULL,
    `last_attempt_at` DATETIME NOT NULL,
    `blocked_until` DATETIME DEFAULT NULL,
    `created_at` DATETIME DEFAULT CURRENT_TIMESTAMP,
    `updated_at` DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    UNIQUE KEY (`ip_address`)
);