UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBS2HQ8vle+ON5GO22SgjLyQ7X+NxsMuUznt+ilOqkE=' 
WHERE 
  key_id = '2d51f9762b6284217529dbe8d3d8c988c9935de2d3198cb99a49c194ed79886a' 
  AND (
    token = 'PBS2HQ8vle+ON5GO22SgjLyQ7X+NxsMuUznt+ilOqkE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )