UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4zU3eLjwp6dKzziSp3H115WRFnpJ2DLQVLfV8t3F3YE=' 
WHERE 
  key_id = '97b18eabded01702a602514a250ada262b3a5e3d26535f2c1b8bcef9df4244e6' 
  AND (
    token = '4zU3eLjwp6dKzziSp3H115WRFnpJ2DLQVLfV8t3F3YE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )