UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Y5kKkQh5hGgMyxzhWDI+8MRWPBCtlJV8eWvb2v8Wew=' 
WHERE 
  key_id = '3d03c44a6213c8d953c622a8b0d4813583cbe0583a459b0ddeefea6c277b326e' 
  AND (
    token = '/Y5kKkQh5hGgMyxzhWDI+8MRWPBCtlJV8eWvb2v8Wew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018