CREATE TABLE IF NOT EXISTS password_resets (
    id          CHAR(36) PRIMARY KEY,
    email       VARCHAR(255) NOT NULL,
    token       CHAR(64) NOT NULL UNIQUE,
    expires_at  DATETIME NOT NULL,
    used_at     DATETIME NULL DEFAULT NULL,
    created_at  TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    INDEX idx_token (token),
    INDEX idx_email (email),
    INDEX idx_expires (expires_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;