UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i6gELQgUlYxWGqLkjq3t2BsDOK39pS+PRxUhiZgsFfc=' 
WHERE 
  key_id = 'c8c90204d7bfef040328efe3c7f76ccc9d83e071a2547b27517c2492e247118f' 
  AND (
    token = 'i6gELQgUlYxWGqLkjq3t2BsDOK39pS+PRxUhiZgsFfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )