UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Oi2d6fKvi7Nt1xFcCtwACL+0zWcKIqX3ZSOcU6W3cg=' 
WHERE 
  key_id = '30fb7cdfefdb22a036ab6893a6146394fc951428a34aed613e7501b03615128c' 
  AND (
    token = '4Oi2d6fKvi7Nt1xFcCtwACL+0zWcKIqX3ZSOcU6W3cg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )