UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4LXIlOdnnWjVt9axMndJvIlfYPrBdL5B5AwjL2QXNyc=' 
WHERE 
  key_id = '3e5e43d09f0009ffd2ef5d8ceba776eadd54dfc0ddd90054d2cc9690570dbde2' 
  AND (
    token = '4LXIlOdnnWjVt9axMndJvIlfYPrBdL5B5AwjL2QXNyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )