UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KJYRAqAVua5UxdpTPp5NvCx8bdcG6qzHxsbnpUuqXI0=' 
WHERE 
  key_id = '9deda2cc837a7223ad6fdc2c15742fe583ea0699701d3546c3a57b2dad2bd81b' 
  AND (
    token = 'KJYRAqAVua5UxdpTPp5NvCx8bdcG6qzHxsbnpUuqXI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )