UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xuEdDwjqjyRwOY8YOghqszklXQ6EV2JUjsq+vSOeJZM=' 
WHERE 
  key_id = '643a826f22a3e9b062abcd63470f4381ae5c9784ac9de53b4f588f5b5a48b808' 
  AND (
    token = 'xuEdDwjqjyRwOY8YOghqszklXQ6EV2JUjsq+vSOeJZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )