UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0mA0hmdwq4ihlU5tLrXMhBkzqtKBlDkEpxhC5BDzxpM=' 
WHERE 
  key_id = 'f2cf58cbef4495ed804abad5e632127e65d2c78bc97a383fa83e6bb173429777' 
  AND (
    token = '0mA0hmdwq4ihlU5tLrXMhBkzqtKBlDkEpxhC5BDzxpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045