UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h+tjavmWzeMk6Z79slcvB+06tgXX0YhRr7kO5MddxXY=' 
WHERE 
  key_id = '305293f9440d7893c5790c77f38f75d83f55f3709a59a5cd8a607be3ce7944a4' 
  AND (
    token = 'h+tjavmWzeMk6Z79slcvB+06tgXX0YhRr7kO5MddxXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )