UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WwXrL2IMlg1cIPSj/nhY7djqT8dmMsgrgUC1pnV/1cs=' 
WHERE 
  key_id = '7f1d31b75e8539b4948e81ffc937216121b4985bae6f3991d93c290542c180df' 
  AND (
    token = 'WwXrL2IMlg1cIPSj/nhY7djqT8dmMsgrgUC1pnV/1cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )