UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5zdWWNf0JiekmAAZ4Q0HFfxjaE55T+7ob3o7CRMruzc=' 
WHERE 
  key_id = 'dbb8469a1d27b5b64a0d03322bfc03dec42d1b8204394fffd943af6f4d3036db' 
  AND (
    token = '5zdWWNf0JiekmAAZ4Q0HFfxjaE55T+7ob3o7CRMruzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052