UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6mjEM8Fk8drZpH/DvfHsCkY6FUdkjL02Nom6CzcaJqg=' 
WHERE 
  key_id = '8e5e1c405847256011fbebee092b455f0c68e6dcf809aca8b58894fd24806eda' 
  AND (
    token = '6mjEM8Fk8drZpH/DvfHsCkY6FUdkjL02Nom6CzcaJqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )