UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Brx2931VWTxCfuEdkIN5DpvRjOoeUfiUz+jBsXJOMkg=' 
WHERE 
  key_id = '7e39c143d12c85571e6dabbbefe025bf441d7809983db71da07898fce1c6de92' 
  AND (
    token = 'Brx2931VWTxCfuEdkIN5DpvRjOoeUfiUz+jBsXJOMkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )