UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RtDOwMm0mnBZvY5vrjMWjpfTYtoMeF63/WnTuhTJCsI=' 
WHERE 
  key_id = '87a278da501901f0ffcd95eea2597a266ec878046bedd6998e0bd59e38047c99' 
  AND (
    token = 'RtDOwMm0mnBZvY5vrjMWjpfTYtoMeF63/WnTuhTJCsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )