UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mYnaVPdOIr8bm0o+Vi01mNkK/lFQqTorjmSItTjgvNM=' 
WHERE 
  key_id = '4d9a3c00595460b912dfd5fea22d218a3f35614e462b47f37b69ac07652a0881' 
  AND (
    token = 'mYnaVPdOIr8bm0o+Vi01mNkK/lFQqTorjmSItTjgvNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )