UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rEfrb4wawORpFmxYXl2ay6mf0JfF5LJsTrbhg9GD9ds=' 
WHERE 
  key_id = '3c4748950b0e5c519fabf6fd02d9eec41bca279e638502baa9c6b4ef2611350f' 
  AND (
    token = 'rEfrb4wawORpFmxYXl2ay6mf0JfF5LJsTrbhg9GD9ds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )