UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aFsHdoytkUDKQYfh6z82WOqNeIBj7Caq5IcorrC34ug=' 
WHERE 
  key_id = '8aa551ffc778fa1fb24f4a605ca87b146d8f49d4a15e4a10fbc4af8e664c5810' 
  AND (
    token = 'aFsHdoytkUDKQYfh6z82WOqNeIBj7Caq5IcorrC34ug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )