UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GB5kG1b9Esfk2isjLzd4MqYV6p+N1xPBWft5PufUZIM=' 
WHERE 
  key_id = '175999c3a91d048b3de01565b3087315b24cc0726844c7c82ba78d226a717363' 
  AND (
    token = 'GB5kG1b9Esfk2isjLzd4MqYV6p+N1xPBWft5PufUZIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036