UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't7YgxEQgOs9vLrvtDGOev4mLqNqGIbGW92bGwW2YMvo=' 
WHERE 
  key_id = '3281cf3452ee6fc85856c9d7335e452bb10cd8dd49f808fec4bb1b03953e6322' 
  AND (
    token = 't7YgxEQgOs9vLrvtDGOev4mLqNqGIbGW92bGwW2YMvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )