UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxVVaYaZMCeEWs9LEbywhWaqxdnW2Vq4k1oEktq9EeE=' 
WHERE 
  key_id = 'b4c3868207964200ec468df5eee65cbeaf2c21d1376fc121008d7c5e0fdb020a' 
  AND (
    token = 'mxVVaYaZMCeEWs9LEbywhWaqxdnW2Vq4k1oEktq9EeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )