UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MzI2oN8pLRNkt9gVNw2ZEcBBXVw6GB2iIqBsn8EWa4I=' 
WHERE 
  key_id = '272bb95a76b1af1f32f6f8d9ce58453752578e2dcaabb0388683d9dac08b7192' 
  AND (
    token = 'MzI2oN8pLRNkt9gVNw2ZEcBBXVw6GB2iIqBsn8EWa4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )