UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68T+EI7pEIaYLj8MacfRYgWa/6o/oIZTxW4zz2rZoLA=' 
WHERE 
  key_id = '555b2e120ee716573168967bd4d42a57d977d1ac1567a14518817b0433b2b775' 
  AND (
    token = '68T+EI7pEIaYLj8MacfRYgWa/6o/oIZTxW4zz2rZoLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )