UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EMXwXs0Iidt1Xd9wewn7pKt9nQonOtDNB7kUSlFcTYA=' 
WHERE 
  key_id = 'a786e7a6cdb3f22897a8a14e0d3de8a17877da1db551d679d7f0762b7f0a7cc3' 
  AND (
    token = 'EMXwXs0Iidt1Xd9wewn7pKt9nQonOtDNB7kUSlFcTYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )