UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1iimrTY/A5QFECq9LCt6Zdh2bGQnhJ6AiBc0+/sYQcw=' 
WHERE 
  key_id = 'c4ed3e7354a85c0d3228e47929f5e04a819236c7e4f7dbb5bbfbeeae56338333' 
  AND (
    token = '1iimrTY/A5QFECq9LCt6Zdh2bGQnhJ6AiBc0+/sYQcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )