UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wRU1cBHB9Kn9nFtKuCKRyc0D3eZd/p02mXM8AZ+IqaQ=' 
WHERE 
  key_id = 'e6e4286f12522ee8791dd5e409ef295cd2f81e57dd476f05c56fb4341f2810a7' 
  AND (
    token = 'wRU1cBHB9Kn9nFtKuCKRyc0D3eZd/p02mXM8AZ+IqaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )