UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3tmvU6tdMu4ZPcw7Uv5W3le4f7yU/dZh/Y1xnOnHpcc=' 
WHERE 
  key_id = '855fb4e9b811afb16c69def0c03734b21904558b60416d8aa579f4c979083f99' 
  AND (
    token = '3tmvU6tdMu4ZPcw7Uv5W3le4f7yU/dZh/Y1xnOnHpcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )