UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nw4Uo6lSCPnVJ0jODXxTSOXs0ssZ8F9W8KP6yvuapCY=' 
WHERE 
  key_id = '75a21f060d20f1a6dee421fe172460611f77e47cbd5bf06ec9b6d973392e513a' 
  AND (
    token = 'Nw4Uo6lSCPnVJ0jODXxTSOXs0ssZ8F9W8KP6yvuapCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )