UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Duu4z+s9rlRylgp9txTD4oJQ+XuQQch3mqERbISs7FU=' 
WHERE 
  key_id = '4d4b19fe456ae7f188bc17626a44d777455b3ffb5a105098ccae95800d998938' 
  AND (
    token = 'Duu4z+s9rlRylgp9txTD4oJQ+XuQQch3mqERbISs7FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )