UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W6rsVLRq+wiLAk3g9O2jSVcaDUJ+//6Oel59/entm/k=' 
WHERE 
  key_id = '329dcc7e82cc240601f27e4fa52fe5492b0f55a3812ce84bb374195f9c87049b' 
  AND (
    token = 'W6rsVLRq+wiLAk3g9O2jSVcaDUJ+//6Oel59/entm/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )