CREATE TABLE locks (
    id INTEGER UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT,
    owner VARCHAR(100),
    timeout INTEGER UNSIGNED,
    created INTEGER,
    token VARBINARY(100),
    scope TINYINT,
    depth TINYINT,
    uri VARBINARY(1000),
    INDEX(token),
    INDEX(uri(100))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;