UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2zyRFlYsZnh1x3HYO7L9X+WC5/0uUHy1cZyE6AhbeIA=' 
WHERE 
  key_id = '6c1776115e6a52f027b7f292f1d15094c7a420d24a444e98efa4c4201ef96ca4' 
  AND (
    token = '2zyRFlYsZnh1x3HYO7L9X+WC5/0uUHy1cZyE6AhbeIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )