UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DmN0L0xv0hgeoYbhc+7x5ozqEsoToCPlmnBfGWo0wiM=' 
WHERE 
  key_id = '6940ea8b18c84a7670ae5e49be472f422ceb45251cd80144a16773c5606ec984' 
  AND (
    token = 'DmN0L0xv0hgeoYbhc+7x5ozqEsoToCPlmnBfGWo0wiM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )