UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7xcOl3hqLvUoN8GNPLp9cJm9F7ZU1VL7vskbjkjCB1I=' 
WHERE 
  key_id = '6440904f60277979fbcf922384f3b169cd3d746870235922fc4eaf9b818d7593' 
  AND (
    token = '7xcOl3hqLvUoN8GNPLp9cJm9F7ZU1VL7vskbjkjCB1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )