UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WuNaQ9+zMrs6CM/GDmu0+WlKY4WkCPSw3jxoy/ooMpM=' 
WHERE 
  key_id = '21b82aebbedc4ea270e12978b5c8125f77f12e37702e191d07fdbebb7260149d' 
  AND (
    token = 'WuNaQ9+zMrs6CM/GDmu0+WlKY4WkCPSw3jxoy/ooMpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )