UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VEVptY4lhd5o6hl5up7WgWFrVqtsam9Lfuibr/Xee8s=' 
WHERE 
  key_id = '15f663dd1894446a9096ae2238c92df81c557913c7ca3e35fcdb8fa4dc2b7389' 
  AND (
    token = 'VEVptY4lhd5o6hl5up7WgWFrVqtsam9Lfuibr/Xee8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )