UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm9By2zAKib4wnSXdaAHfxjfBwCNEdm7qrouf2kP+DXY=' 
WHERE 
  key_id = '6d40364793cc3fadb4040551496a1f1f5b81b3a94743f18c37fa263af5528941' 
  AND (
    token = 'm9By2zAKib4wnSXdaAHfxjfBwCNEdm7qrouf2kP+DXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )