UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UFch8dNPmK9wwPnbPTGWrtiS59R9G0aqxsWjASsvvNk=' 
WHERE 
  key_id = '555fd02d9984c9464032635d40c8296443479637a4d4338677faf518b62dcc90' 
  AND (
    token = 'UFch8dNPmK9wwPnbPTGWrtiS59R9G0aqxsWjASsvvNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )