UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HgpiN1HkF2gg3E+e61nRDlDqNVQacPioLvhPfJxaIHM=' 
WHERE 
  key_id = '68c3457a48a2d08175889bcf9899a069126a7c0e4b5b120b6a94ef913d853906' 
  AND (
    token = 'HgpiN1HkF2gg3E+e61nRDlDqNVQacPioLvhPfJxaIHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )