UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tpXfS5mwgb4TnAs0NRupHuBh1ut4PJVjAjUxZShi0Ng=' 
WHERE 
  key_id = '59849b33f94f64d2f624cc5503678a787f067c611ae62263524db0e8da501f30' 
  AND (
    token = 'tpXfS5mwgb4TnAs0NRupHuBh1ut4PJVjAjUxZShi0Ng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )