UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+dToKVktaVeVwwWkTuIogDckVOSXgYYxmbGGDaoETNE=' 
WHERE 
  key_id = '49c2efef80848e6c5b7448c98719c9b3d8aa125d09976e3f9e2914389213e535' 
  AND (
    token = '+dToKVktaVeVwwWkTuIogDckVOSXgYYxmbGGDaoETNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )