UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JCRyAws4Pw4nktQ08EWntFcwIWCgaNkrJwAdfSKnxNo=' 
WHERE 
  key_id = '208ebd1680b479c6501c5f7de278db4b8c4d5e14be6e3b114fb9ac30a9f2c35c' 
  AND (
    token = 'JCRyAws4Pw4nktQ08EWntFcwIWCgaNkrJwAdfSKnxNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )