UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jk0r4esJyRt3x2LGhTXh4wi1UVt6DheuUwCE5k06OsU=' 
WHERE 
  key_id = '96c9393fdec81afe78be0810d3f893f5145b544e6831e8688c8afc2517158e40' 
  AND (
    token = 'jk0r4esJyRt3x2LGhTXh4wi1UVt6DheuUwCE5k06OsU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )