UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MpJFnF8dhIP7HQ/QdViQVwavyvIT+G10Gms8Z+Z8BwY=' 
WHERE 
  key_id = '540c7cf57b41224779c3e965a741d731aff577d3ad035eb721ec1264a6806438' 
  AND (
    token = 'MpJFnF8dhIP7HQ/QdViQVwavyvIT+G10Gms8Z+Z8BwY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )