UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MsFyS37dRJXF6caBkWPZH8numNzpTlwZuXZG1vnOzlE=' 
WHERE 
  key_id = 'a7f196d6a7d9925ecd4687c36ac1430105b14552c97f404a8a87edd50ecaa487' 
  AND (
    token = 'MsFyS37dRJXF6caBkWPZH8numNzpTlwZuXZG1vnOzlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )