UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xxr+jj3KFtVHLqv0MT1JsqCJkIwwIsWVmgWAAUpL5ME=' 
WHERE 
  key_id = '68fe0ff9b077c07ed0cb50e32e635af7cb531540e1e247fc11272c8427cfa49d' 
  AND (
    token = 'xxr+jj3KFtVHLqv0MT1JsqCJkIwwIsWVmgWAAUpL5ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )