UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dw75pYvTU+D+KGVrsUjDi5IxzSGy7ayeZM1KsPAYNUE=' 
WHERE 
  key_id = 'c628ee0f05818bc02744341e022382bd253a201e2f2ee02e1fe717b5041b1380' 
  AND (
    token = 'dw75pYvTU+D+KGVrsUjDi5IxzSGy7ayeZM1KsPAYNUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )