UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/yxj6YQAMhYa4nSsJTV46smKg4kw7ZtWqWWOD8D8DU=' 
WHERE 
  key_id = '502f1d371fc173c03227ba57062beb2576d42214f38421dd42f59bdd4a2362a2' 
  AND (
    token = 'r/yxj6YQAMhYa4nSsJTV46smKg4kw7ZtWqWWOD8D8DU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )