UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLh0egw4rNW2u951DA9yobvcf2kESfuoaNTeGI6UI0k=' 
WHERE 
  key_id = '839d09a16878e123894ed6f2ea788068aedd1e84ddc7238ef40e7d479845d5a0' 
  AND (
    token = 'WLh0egw4rNW2u951DA9yobvcf2kESfuoaNTeGI6UI0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )