UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMgN4dNAaMrVEFhxlQa9yfbuovf6KInoFhPGhy1BjMw=' 
WHERE 
  key_id = '8420aac01ae7be36173791b90df843498f9cd19f6063782a888b4ad0c1091850' 
  AND (
    token = 'zMgN4dNAaMrVEFhxlQa9yfbuovf6KInoFhPGhy1BjMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )