UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2t2jhvrxuOw6zmdCpu2GIpAfdYUwyVHSu6HBAAJO6To=' 
WHERE 
  key_id = 'a8c3246d9347f8eb682581f7d4a54169ef2ae9ea6f1ac56ae72e051c154179e3' 
  AND (
    token = '2t2jhvrxuOw6zmdCpu2GIpAfdYUwyVHSu6HBAAJO6To=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028