UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I6kBbHE44RilQuVtIffz/PZe7elwod8RZ4vO/t2lvkM=' 
WHERE 
  key_id = '521d68f9c640078eed0a3e1e23dbbf9dd1beaa30b9f162b829599ffc7a2ba324' 
  AND (
    token = 'I6kBbHE44RilQuVtIffz/PZe7elwod8RZ4vO/t2lvkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )