UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't3G8vCIK5f47yWhBlh7q3LNaKNDFP3i923w2+rbJI1Y=' 
WHERE 
  key_id = 'c6140e9d0948086fc4718768f56db4571e372a16bc275716e951da956d03d6e9' 
  AND (
    token = 't3G8vCIK5f47yWhBlh7q3LNaKNDFP3i923w2+rbJI1Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )