UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LUXkESw55ZIvaMgsdYD83eJMCo1YUiYxtq7rFUXoW2Q=' 
WHERE 
  key_id = '6cb71e2f96dbc50437e88734e766533c2b2b1d173fab6b5d0c8999138943b51a' 
  AND (
    token = 'LUXkESw55ZIvaMgsdYD83eJMCo1YUiYxtq7rFUXoW2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )