UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjtKu2If3gyTwJ0neAeUaowXD5G0dOdFEUqZo9rrxBQ=' 
WHERE 
  key_id = 'cc8133396150de95b5d452323e93d05a2761457b54adc686a83722c4ad0f6d33' 
  AND (
    token = 'DjtKu2If3gyTwJ0neAeUaowXD5G0dOdFEUqZo9rrxBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )