UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eL19SOdxWOJyg12MwVqWt5nrZ7qXAoJX8JAH7kxFYWo=' 
WHERE 
  key_id = 'c6c588649bbc65266c83ee9487933c77944b08d3fdcc28301b94a7747b5415c3' 
  AND (
    token = 'eL19SOdxWOJyg12MwVqWt5nrZ7qXAoJX8JAH7kxFYWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )