UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6G6sO/JvS+PswZAlcN6KYES5Pf501xUvX2vMDRlYeFI=' 
WHERE 
  key_id = 'a3997c93e2efce30bcd919356d30b50caf6f640de491dc2027dcb628208f116d' 
  AND (
    token = '6G6sO/JvS+PswZAlcN6KYES5Pf501xUvX2vMDRlYeFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )