UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ClImyG0BkdDvBk1ht5sTUnhQgd/CjEqv+3iM9zdHivc=' 
WHERE 
  key_id = '83c28b6bc70269931ad50df8429f5c15cb8a79e8532711a2aae9ef0666c0c909' 
  AND (
    token = 'ClImyG0BkdDvBk1ht5sTUnhQgd/CjEqv+3iM9zdHivc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )