UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMB2xtsvUgFz/v0f2QmZfMs/bN9CGQp0vst8kTqfsFo=' 
WHERE 
  key_id = 'c4818595b06b5d7ab8e7836eaaa7e8e43717665859fb5cbb07c16bbd6ec3f6ca' 
  AND (
    token = 'mMB2xtsvUgFz/v0f2QmZfMs/bN9CGQp0vst8kTqfsFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )