UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iI6ep0sDKT5obc6zGs0LgQdBu5CFT4bxXYsNvgrSLpU=' 
WHERE 
  key_id = '4d44e4ad702493d4ddd09cfa0db1bcf985fedd879b6332cafe7818228a809cc4' 
  AND (
    token = 'iI6ep0sDKT5obc6zGs0LgQdBu5CFT4bxXYsNvgrSLpU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )