UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCF9z7XeJawP75TNJAqgfg0wn3MLtMCAcXJc2FM7glY=' 
WHERE 
  key_id = '03b51531088036ed2d1ffbe6fffede1bd0ce85a42bb240e151d48f1783b970ad' 
  AND (
    token = 'MCF9z7XeJawP75TNJAqgfg0wn3MLtMCAcXJc2FM7glY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )