UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BUKR3rnKfM2yCl2yx1K3yH12Ug//pHJ36hNMl5lhOEA=' 
WHERE 
  key_id = 'c6c5835df571ed21135dd893472a7f23f474fa32ba1087c5bce4a5674c8a1248' 
  AND (
    token = 'BUKR3rnKfM2yCl2yx1K3yH12Ug//pHJ36hNMl5lhOEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )