UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NouwyD3juiJO69zREpCB89bJtte4c/VCS20edK/oNqs=' 
WHERE 
  key_id = '9781efef8cd1e6488a5f684d87738358d3db85bf37ea40f46f0cbeed0634ce1b' 
  AND (
    token = 'NouwyD3juiJO69zREpCB89bJtte4c/VCS20edK/oNqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )