UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J8Ki66N48tlLkY1tH7pXVQDPE0P4Vw6WF8dX/BQ0nq8=' 
WHERE 
  key_id = '55872946f566afc33b7c404a9bf57cd864d16a35f3f8a4f275b57a1fd7fe4c7f' 
  AND (
    token = 'J8Ki66N48tlLkY1tH7pXVQDPE0P4Vw6WF8dX/BQ0nq8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024