UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sna6t8Qpdr2znDhmWMtfvpVGzgCM9hh97bvE7NAa0uk=' 
WHERE 
  key_id = '9a7b350578264de370db4568c527618f790cb493e0b4900d6e98be2f2499791a' 
  AND (
    token = 'sna6t8Qpdr2znDhmWMtfvpVGzgCM9hh97bvE7NAa0uk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )