UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUjUSAqnAH25+huyFdyxcrWh94D+XdUz6GF1lRq9ZLY=' 
WHERE 
  key_id = '878433605458893ec32bb715e09623598e22a4480d8fe65bef2323b9b1f879ea' 
  AND (
    token = 'mUjUSAqnAH25+huyFdyxcrWh94D+XdUz6GF1lRq9ZLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )