Почему не отрабатывает селект?

SELECT * FROM `event` WHERE MONTH(ends_at) = MONTH(CURRENT_TIMESTAMP)

SELECT * FROM `event` WHERE ends_at <= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY AND ends_at > curdate() - INTERVAL DAYOFWEEK(curdate()) - 1 DAY

SELECT * FROM `event` WHERE DATE(ends_at) >= CURDATE()