UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TdnVcvBYZcCJheTPZK9urhTaLnSvKnDWWuUh2S6/qWs=' 
WHERE 
  key_id = '39eeff4e06fd6af5a389b121767af7d10bf559fad77007798ee7700e971c62e8' 
  AND (
    token = 'TdnVcvBYZcCJheTPZK9urhTaLnSvKnDWWuUh2S6/qWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )