UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8j1FcUDz+8toHazP+nAqjAQo2eNbKQ9++pG/jZ+ObE=' 
WHERE 
  key_id = '51f3361089546e94524b6615a2b126bb136c0578c0f03041a4b12c15360cbc2e' 
  AND (
    token = 'z8j1FcUDz+8toHazP+nAqjAQo2eNbKQ9++pG/jZ+ObE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )