UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M+HQh39j55QQoU6XztfmNERJaZfwfSbbb4RSSaAGSRw=' 
WHERE 
  key_id = '2f6ad558903e27a38a9f72baa4e7baec198d18fec27752371e01cac9b71c19c1' 
  AND (
    token = 'M+HQh39j55QQoU6XztfmNERJaZfwfSbbb4RSSaAGSRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )