UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mh0XCXokdI2VnsH5AhIcWRGpOuqipBu6olJ7SspSwBo=' 
WHERE 
  key_id = '56999bb67379befff14432664be95a337d7ec97b5e44a552aa6d636db449f31b' 
  AND (
    token = 'mh0XCXokdI2VnsH5AhIcWRGpOuqipBu6olJ7SspSwBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )