UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MRM8HDOC93yvrGsulOnh7IB0tTpA3iuO7RW5I0Y/Dk=' 
WHERE 
  key_id = '1d8a391195c4d361de218ccefb25bbc9b5b946ab5978dc26942dd03841b92844' 
  AND (
    token = '2MRM8HDOC93yvrGsulOnh7IB0tTpA3iuO7RW5I0Y/Dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )