UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fKZtu8TP+HE0Pxc66dpJiKMmgwQ1X1/CMKTvrxehVhQ=' 
WHERE 
  key_id = '81e06bd2dd3b00e211a977f39ebcbf37e569a4714c124c0f76bbf93b5bfdee5c' 
  AND (
    token = 'fKZtu8TP+HE0Pxc66dpJiKMmgwQ1X1/CMKTvrxehVhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )