UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8kVrwV8LYd099fR9TImHV714P7/ae8dgAekT4wj81E=' 
WHERE 
  key_id = 'a3f0f990e81b63f7189a768ff70ee0df63361c34d692abc243bd7f564d33b7ec' 
  AND (
    token = 'M8kVrwV8LYd099fR9TImHV714P7/ae8dgAekT4wj81E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )