UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WUxRRD2eDT7ZSi780iLGjICiXdt6fvPxz5yzBreFdxU=' 
WHERE 
  key_id = '21f40b3a350a0743d152a4e9462df9b5fe741ddc6ae7a8c994810a3a2f4763f1' 
  AND (
    token = 'WUxRRD2eDT7ZSi780iLGjICiXdt6fvPxz5yzBreFdxU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )