UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YgURVd2wS8LPSpXciqy/cXvch3j5/0wv72kctxw1F0w=' 
WHERE 
  key_id = '1fcd3aac029719a812269e5962c1b3c1ec2175bbb67295e114325d418aa48c6a' 
  AND (
    token = 'YgURVd2wS8LPSpXciqy/cXvch3j5/0wv72kctxw1F0w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034