UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rO879eoCth7NPXOtUlufkaKJLJWnUZL/v3z+U6kjJ1o=' 
WHERE 
  key_id = '305cfd8e46fa3093fba80908107a2810674c4c16d47747b21b16d87d25d774f6' 
  AND (
    token = 'rO879eoCth7NPXOtUlufkaKJLJWnUZL/v3z+U6kjJ1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )