UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S7VdsWVsu5kRD//c0dwidnQoxtNDFgG3vMd1kxXdX3I=' 
WHERE 
  key_id = 'c8bc86ab285e2532b5b5d90aa0302d7b3e28f64afd06c7108f8a4a04d4ff8d96' 
  AND (
    token = 'S7VdsWVsu5kRD//c0dwidnQoxtNDFgG3vMd1kxXdX3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )