UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LERJBA+WtvDth1X4aVQQHznefk0I8WIK25xWUN3FK6Y=' 
WHERE 
  key_id = '2c2321fe25724deda0976c8a525385dc151edb5a977d837195e79867ca6f6325' 
  AND (
    token = 'LERJBA+WtvDth1X4aVQQHznefk0I8WIK25xWUN3FK6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )