UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51o2vI4xmmcKNeTQSBBnLLx10necJ1fEv9DrUsFFkaU=' 
WHERE 
  key_id = '8cdf9c8692238c352de135cd8b4151a4aae27500d23f5f19bde98d9499af9dfc' 
  AND (
    token = '51o2vI4xmmcKNeTQSBBnLLx10necJ1fEv9DrUsFFkaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )