UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5iAUKteIBV0+nmkrgM038KynDuqnUq6vllcB1qsEPj0=' 
WHERE 
  key_id = 'b34b596b085a39e4b714249abf44008e71a3c9096287ac2397829fe37146dc89' 
  AND (
    token = '5iAUKteIBV0+nmkrgM038KynDuqnUq6vllcB1qsEPj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )