UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C1PnGzH1IGSsSMlujpeLwaWcckkzepUYxsDHi6r//po=' 
WHERE 
  key_id = '30cb82a980ecd10f3fcdfb5b598958f3c9bb34a95dc113881750cc4b4c5d9391' 
  AND (
    token = 'C1PnGzH1IGSsSMlujpeLwaWcckkzepUYxsDHi6r//po=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )