UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MI8XIxA/DLxBfRUlJhw6GOS0+iK0XHCBUlx9RbaolAc=' 
WHERE 
  key_id = '8ac9fa43d0333c76b3f11fd41d7fb474774d65c60702e323ee8c20b89bbefed3' 
  AND (
    token = 'MI8XIxA/DLxBfRUlJhw6GOS0+iK0XHCBUlx9RbaolAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )