UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zz75eEGRsnphmWVfsDWB/y3V9Ncf+F/Bg7V0O3yAuxw=' 
WHERE 
  key_id = '390e0629a9ac4f07ee511c40b9a2310bdeeccb4160b9fc95800b02a61f2a88b8' 
  AND (
    token = 'zz75eEGRsnphmWVfsDWB/y3V9Ncf+F/Bg7V0O3yAuxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )