UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCrMTb9hUfJVDhhrrDia2/91zXtala5DNBLto2XHnng=' 
WHERE 
  key_id = 'b8e1eaad71927fed3ef2a21c996d2f55586c8fc9c729e056adea61517252f10d' 
  AND (
    token = 'PCrMTb9hUfJVDhhrrDia2/91zXtala5DNBLto2XHnng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )