UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6zSPecve4tJB/6utHlM7t2wIK9wId38cAiYqNPVQHc=' 
WHERE 
  key_id = 'da12c271cfdf3873b8fa853108f4556bd8421600429c3dbe8f23d3c35c4b3de4' 
  AND (
    token = 'N6zSPecve4tJB/6utHlM7t2wIK9wId38cAiYqNPVQHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )