UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YvpvyAERTbT1FCIyw3f1mjYeLN2p9Blf5PWHEoQAoow=' 
WHERE 
  key_id = '2798145762051f900b72435713bed2ef1a09f7f2698bd908af3af87d4921d37d' 
  AND (
    token = 'YvpvyAERTbT1FCIyw3f1mjYeLN2p9Blf5PWHEoQAoow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )