UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '42kRmdoz+9KS0hESsiosqdRg3eN1w1nGIkFTG57xcEo=' 
WHERE 
  key_id = 'f3206b6b366b15ec8fe5566a79eed6f7730ec0af92b79298b617b12763c46472' 
  AND (
    token = '42kRmdoz+9KS0hESsiosqdRg3eN1w1nGIkFTG57xcEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )