UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x8Py1y/hykL0PfPD17ZW6myiARfF4SCJUeQ99ZdkPKU=' 
WHERE 
  key_id = '87c98a1d157a2ac1a9ebaa0423c961658d8434203bcfaf5d46fb73695a9795c1' 
  AND (
    token = 'x8Py1y/hykL0PfPD17ZW6myiARfF4SCJUeQ99ZdkPKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )