UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rwx3rfLf6wlrSN46rnEgW7H3LORE+v6km6sutDbaMsA=' 
WHERE 
  key_id = 'cab293a724c1750c0d7a89523e30acae2a323031aea8ec1e56e4f85c314dd451' 
  AND (
    token = 'rwx3rfLf6wlrSN46rnEgW7H3LORE+v6km6sutDbaMsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )