UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkFkMp96L79IvGZL/4pxxSezSHRq3R9veY13TrlfhGE=' 
WHERE 
  key_id = '8906c50a4bae9f4a82319ca69203b1b0733319080ea0c2443576a74a0bf64b9d' 
  AND (
    token = 'PkFkMp96L79IvGZL/4pxxSezSHRq3R9veY13TrlfhGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )