UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hwTsxzMcMjblVBtKRv1/ZtrT77YC59BRkZLKVd+FsMA=' 
WHERE 
  key_id = '4f276c280195dba0eae5c29bab9b8acc9de5460a1800756246515e96b7719a52' 
  AND (
    token = 'hwTsxzMcMjblVBtKRv1/ZtrT77YC59BRkZLKVd+FsMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )