UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c/sl7/WPbIRNJLcG3V0FTrc7h6szJDkvasErXc8zIcE=' 
WHERE 
  key_id = '908d245292a91e39fb456c37368bd428fc2f082455b4579355e7192d1b38f1e9' 
  AND (
    token = 'c/sl7/WPbIRNJLcG3V0FTrc7h6szJDkvasErXc8zIcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )