UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8lspTqblMEzGmq297zhek8pAcBDcDuSpaKD0EOgNzo=' 
WHERE 
  key_id = '47c36e96062f1295e63ece52199a17f449b6d79bdc4263661499087bf490bc83' 
  AND (
    token = 'b8lspTqblMEzGmq297zhek8pAcBDcDuSpaKD0EOgNzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )