UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'txm3QFI7lMjJT5LcTgHUs55cwcEW8Edf2NYmOyd3ej4=' 
WHERE 
  key_id = '46e12f804a5043dc07f17ca35fe979896d480649eb1e06265cc2ce3898cde50f' 
  AND (
    token = 'txm3QFI7lMjJT5LcTgHUs55cwcEW8Edf2NYmOyd3ej4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )