UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wCUPnCOeb7fKWTxTcn9xRFOD8638bjKOjQNRgMDJCsU=' 
WHERE 
  key_id = '8c15851314e9913b5a5aae83d372c0be6e585410878065411da0fb3f83f4d716' 
  AND (
    token = 'wCUPnCOeb7fKWTxTcn9xRFOD8638bjKOjQNRgMDJCsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )