UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/QVh4F6SG4UXvw9EFE71+p0W0VBBVxqNNQCn27SMe0M=' 
WHERE 
  key_id = '4c815d38c3f3c4c355d00642283aac3cb550523bc8e7aa71dd127df9d73b45f2' 
  AND (
    token = '/QVh4F6SG4UXvw9EFE71+p0W0VBBVxqNNQCn27SMe0M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )