UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's2ASloDmpjOh1jLzJcKRKZ2mTyEzYRmjjlLF0ZORYxA=' 
WHERE 
  key_id = '4e87940c53306bf2291a83c998908309513b97a7e643bcfb20c4a7a15d17e816' 
  AND (
    token = 's2ASloDmpjOh1jLzJcKRKZ2mTyEzYRmjjlLF0ZORYxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )