UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iaXQGM2/akPptBol5sFwzybJ5hUmHogKw4nIk+heK/k=' 
WHERE 
  key_id = '6e0427de9079726ff9ef9b6efac33c41caffb28bf6c0c30c33cd905042e4a8e5' 
  AND (
    token = 'iaXQGM2/akPptBol5sFwzybJ5hUmHogKw4nIk+heK/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )