UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V/sotf5Rku1tnG6MH3XFL1ttZj0p7bMzJJG33YmoEaI=' 
WHERE 
  key_id = 'a8df98ccd04168839430efd7c79cb0e80d06bafb15b83a07876a525353cebba0' 
  AND (
    token = 'V/sotf5Rku1tnG6MH3XFL1ttZj0p7bMzJJG33YmoEaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )