UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlnUhEXnJKi9y2XdVmhR/eKFQMWY7vDgeA6ZcDKtJjQ=' 
WHERE 
  key_id = '846e6b74dff68ec1f3b900057468622f7f33ac40d3706fa37052ae8d43ce04a5' 
  AND (
    token = 'RlnUhEXnJKi9y2XdVmhR/eKFQMWY7vDgeA6ZcDKtJjQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )