UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9QFQvnaQl8TVr40GOzEHVzjNCN09p6pDorCBUXYPxU0=' 
WHERE 
  key_id = '91a50ab9f06cc33f7347ced9b329e4ce39a27b381dbbc09029a81b05dcac3009' 
  AND (
    token = '9QFQvnaQl8TVr40GOzEHVzjNCN09p6pDorCBUXYPxU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )