UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MwHPLiEdJS7awzJujlL8g747hYqaAV7btxidJ5TaTxI=' 
WHERE 
  key_id = 'a899fe21742034afc045d4cb6d8a2085cc2e30f9f586b2e5d90fd199b7bc5fcd' 
  AND (
    token = 'MwHPLiEdJS7awzJujlL8g747hYqaAV7btxidJ5TaTxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )