UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkmOHn0h43OL4BDHdPuQEYBP83ARTMHlIT7P9y5bu20=' 
WHERE 
  key_id = '435d9aa5f8b109217ec9b5a0cf692a33477692000903f23a6805014e236b6f8c' 
  AND (
    token = 'mkmOHn0h43OL4BDHdPuQEYBP83ARTMHlIT7P9y5bu20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )