UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zwr8lw1MMP9dvhcoGNtddNAFiOCfuICbwKlNgFy/m2k=' 
WHERE 
  key_id = '677146a237082422cf00965cb4f7e97480b6638f65b7c5ac7eb1f15eb23c0e0a' 
  AND (
    token = 'zwr8lw1MMP9dvhcoGNtddNAFiOCfuICbwKlNgFy/m2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037