UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S3fGHcwYMqn6+gCQED71eAljwLJxjmkfTlwRoMo2QNg=' 
WHERE 
  key_id = 'a76c622351e8d98a7473eecb314e61aba9aa370b4d62767fae88e22637f551f9' 
  AND (
    token = 'S3fGHcwYMqn6+gCQED71eAljwLJxjmkfTlwRoMo2QNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )