UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VSLlde6Kxov70NoiFByXlvLu8Lv4qAjeaG1NfiDxnnk=' 
WHERE 
  key_id = '83ebf92d5075f1e9ee4af3880bc7ce63d302bd9069f4a9f4c5edff9919ad631c' 
  AND (
    token = 'VSLlde6Kxov70NoiFByXlvLu8Lv4qAjeaG1NfiDxnnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )