UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWcT8cdfJGcwk1rAzQfaj+UY99zGrHp4KtF2JW/X4dQ=' 
WHERE 
  key_id = '404e12d758acab16938b6a2568c6639c4752a54105e1a563d4f920e11b207f50' 
  AND (
    token = 'RWcT8cdfJGcwk1rAzQfaj+UY99zGrHp4KtF2JW/X4dQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )