UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AVVlLEKr2xj6mLW8t4o+3wU7QT8YwHJKOUgZmUBe64=' 
WHERE 
  key_id = '1c8d71abdd59d3acb751d27d9711fd983114d21d4d3b7580806498c16200a097' 
  AND (
    token = '6AVVlLEKr2xj6mLW8t4o+3wU7QT8YwHJKOUgZmUBe64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )