UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'es6vPwD5ZJZviROmYKY/An51ppSvNEXBqyoshT8kZmM=' 
WHERE 
  key_id = '16dc64a65989a68a0c5cb07f176f729155c23a685b6d4044ad36184a97f1c594' 
  AND (
    token = 'es6vPwD5ZJZviROmYKY/An51ppSvNEXBqyoshT8kZmM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )