UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6FQIrZtch9lqOH5wPhGqdjAbEPQ3OXgg9uO1+VkLbI=' 
WHERE 
  key_id = '8ce46c2eac5a829fd866ce1d2218040b9cd70177faa0b2a5c0023257dfdb0e8a' 
  AND (
    token = 'x6FQIrZtch9lqOH5wPhGqdjAbEPQ3OXgg9uO1+VkLbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )