UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KshcN4z+8SrrZF0hD0z08KaZ09qrgzMAw6w4MqRqPfw=' 
WHERE 
  key_id = '30e15324711c0ea96eb5ef746cecf16c4254ea31a4411fc8d970043bfeabb71b' 
  AND (
    token = 'KshcN4z+8SrrZF0hD0z08KaZ09qrgzMAw6w4MqRqPfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )