UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DnMFlycJs78frP38uChLFkkefPtnaFjcVFxaeI8uSXI=' 
WHERE 
  key_id = '1d71f1b8929c2be2b748fe79a6dc2251bf3c357ba9eb77170493035406e17d41' 
  AND (
    token = 'DnMFlycJs78frP38uChLFkkefPtnaFjcVFxaeI8uSXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )