UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MMDqreGMKYNl7QoBABu3i3g6P03sJo7yTt4rb20Gp20=' 
WHERE 
  key_id = '19c232a092bc6904dfb30c76d40f87f05b37f41be62c90608f788182b7d339d3' 
  AND (
    token = 'MMDqreGMKYNl7QoBABu3i3g6P03sJo7yTt4rb20Gp20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )