UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tRz+5IkB8umnpTN5Z7MU9wKVZvDfD8qAi7cko0wwduw=' 
WHERE 
  key_id = '734b32ef766dbd1b32a66d873bd3f5948e9192586a58cdfc6d908a4e80f1e5e4' 
  AND (
    token = 'tRz+5IkB8umnpTN5Z7MU9wKVZvDfD8qAi7cko0wwduw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )