UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E5uL3+x6WEIKAc2w2CzietnxI0i6PpFfc1wN+rwWvBQ=' 
WHERE 
  key_id = '21e936a2257ba64eb2883e665a674aaf55b61270ffe3aa56b81b72865cdd419c' 
  AND (
    token = 'E5uL3+x6WEIKAc2w2CzietnxI0i6PpFfc1wN+rwWvBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )