UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HcM+VYEjbHGcZVwDZZg4Fa6OGDa2L2RyH+0mwmPxDNo=' 
WHERE 
  key_id = '1f42ba9828d6f29838960d80b54f54b41eec4f567c310dd48452e58cf8c50935' 
  AND (
    token = 'HcM+VYEjbHGcZVwDZZg4Fa6OGDa2L2RyH+0mwmPxDNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033