UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sg78Am+JVAJyPvN25UHxm2noch1JrjYrDZX0r4O9Y68=' 
WHERE 
  key_id = '2e3e4e4570e0db79e00e0c7901c225b09237c9b9aac9c60d96bffb4bbd5f904f' 
  AND (
    token = 'Sg78Am+JVAJyPvN25UHxm2noch1JrjYrDZX0r4O9Y68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )