UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fMgu5VIRpjRB4tYpdmdzHC/1IdgbwYTsNjadbiNA7KY=' 
WHERE 
  key_id = '3a268a373a54dd0a89390d13e7fcb7d69ef3fe3435607a37defdab931dad8454' 
  AND (
    token = 'fMgu5VIRpjRB4tYpdmdzHC/1IdgbwYTsNjadbiNA7KY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )