UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lD2x8V8REiiTJCjmSlLEwmNpW6HRB4SDa4TV74dFJBs=' 
WHERE 
  key_id = '6aaf7863f5a469611fffd7f176838aed26a7cda9466d787868cead4f5227f9cc' 
  AND (
    token = 'lD2x8V8REiiTJCjmSlLEwmNpW6HRB4SDa4TV74dFJBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )