UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PnGxCNLFpWgbrIp6T+N+BKNwljJwywYHXokTVDjK8O0=' 
WHERE 
  key_id = '031ca4685abf8afcf77b122c6361e3d4b056c84ff9a1b97e7f0d3f6a3a12ac5b' 
  AND (
    token = 'PnGxCNLFpWgbrIp6T+N+BKNwljJwywYHXokTVDjK8O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )