UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0iKWl5P5EJW2bW6JPET8YOJvY1aCqS2KpZV0OzO5FSE=' 
WHERE 
  key_id = '400e8e1895d5d43848c97f281ece608cc8bd21f35d0dec92fada72f721cfba9a' 
  AND (
    token = '0iKWl5P5EJW2bW6JPET8YOJvY1aCqS2KpZV0OzO5FSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )