UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUS9ZNqGd2AiPZjTdPLXakBIi+q8nayVrLTtIjhdo0Y=' 
WHERE 
  key_id = '5393a92aaecca2da83302c1803f6e1b9657b285ea2c89bd62b86004254a1bbc6' 
  AND (
    token = 'MUS9ZNqGd2AiPZjTdPLXakBIi+q8nayVrLTtIjhdo0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )