UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2C5tV3vf38CO51fQQ1aEAz8AuHa6XwsP3e2aVkEs7Q0=' 
WHERE 
  key_id = 'd6607106c34eadc5daa2888637432b6c7f5b3c136d56493590fcc9eeaa35a469' 
  AND (
    token = '2C5tV3vf38CO51fQQ1aEAz8AuHa6XwsP3e2aVkEs7Q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )