UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPNw8EZ9h91k/jkfssLd1ywOLBEZLl8IE66Y7dr9TcE=' 
WHERE 
  key_id = '1d5a687a08c57e5aa8ff60503eda832a45f336b338820822d05dbb5bbd5000ae' 
  AND (
    token = 'gPNw8EZ9h91k/jkfssLd1ywOLBEZLl8IE66Y7dr9TcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )