UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8VRvpVDYk2uEzuu3McxP1wIskwTaTVlOX/+v6T5ibY4=' 
WHERE 
  key_id = 'c1ab6fa3751d2e7f4242e6f4014b212b6172fa8b1235c9333635b121911a6184' 
  AND (
    token = '8VRvpVDYk2uEzuu3McxP1wIskwTaTVlOX/+v6T5ibY4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029