UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rpr9KyEJBprNgrX97CahHyb/xfbTNo5d6ZGC1WH1+CE=' 
WHERE 
  key_id = '4842aa5c4b09678e347000e0926403938a4a190c68c5530a1446a7232ec9eaf6' 
  AND (
    token = 'rpr9KyEJBprNgrX97CahHyb/xfbTNo5d6ZGC1WH1+CE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )