UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zXubU6VL6eRml0gnO17ghH/p0UjI6SDB9sd6jvZ/peM=' 
WHERE 
  key_id = '81bd6db2d2a5072f5f4be2bbec74c50dafb49af2a3784f98a7709488b174af45' 
  AND (
    token = 'zXubU6VL6eRml0gnO17ghH/p0UjI6SDB9sd6jvZ/peM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )