UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VSmu1GCeql530qKFLGV34IIw7vuR8FPwceLSX3So2i0=' 
WHERE 
  key_id = '833b94136d0f623b6af5ed56a892191f250b1a785758b4470cef7503fc4d1407' 
  AND (
    token = 'VSmu1GCeql530qKFLGV34IIw7vuR8FPwceLSX3So2i0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )