UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4NUVKRBgOyWfvPbXEoyZJzjxXtELM0L2SCE3h5x+NSM=' 
WHERE 
  key_id = '504e6e4ba10fe582afba54620f4b32093ead14289ff085e9bf939e8f0ed9d3d0' 
  AND (
    token = '4NUVKRBgOyWfvPbXEoyZJzjxXtELM0L2SCE3h5x+NSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )