UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uo/usdCSvr5GBlaX39rc9cWwMcJMIJmOBbeP4Eiuh64=' 
WHERE 
  key_id = '6389690324887214f62e17f7a431e8bdf1b7852b10461ae1ebc414a170c421e3' 
  AND (
    token = 'Uo/usdCSvr5GBlaX39rc9cWwMcJMIJmOBbeP4Eiuh64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )