UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvOZboN6Zv+OrmRjUQB/rhnQjpwelRx6SZn/NCafGxA=' 
WHERE 
  key_id = '81e48303f57e620db1b2e73143b68a159d62210615ccc5a634024e541b2b5c63' 
  AND (
    token = 'AvOZboN6Zv+OrmRjUQB/rhnQjpwelRx6SZn/NCafGxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )