UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Te3hb/tYnCDPYYbvceK2GvhyDBFAm0QkjPmV/w98PW0=' 
WHERE 
  key_id = '4940698257b66d2fbfb006cfc183e6378688fee33167ab5441fac4734cb61b20' 
  AND (
    token = 'Te3hb/tYnCDPYYbvceK2GvhyDBFAm0QkjPmV/w98PW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )