UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y5fJSdUP0emeIWMCrwKqzQkmQxQXVVin9DA7y9+Dbm8=' 
WHERE 
  key_id = '91cba8a838b121ad52162649407913fce1c946951df038ff53e2dd37f4de946f' 
  AND (
    token = 'Y5fJSdUP0emeIWMCrwKqzQkmQxQXVVin9DA7y9+Dbm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )