UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bwuImDrCld/TCTgWQ2lCuGc1m2ypj6IaksKAPKVUErI=' 
WHERE 
  key_id = '9621979d85624a71e6fc2d87eb346c75a3153695a9a19e8079685b4fb517987d' 
  AND (
    token = 'bwuImDrCld/TCTgWQ2lCuGc1m2ypj6IaksKAPKVUErI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )