UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I79VMHy/23/ezOnllXeNPq0LUFaiwCTSRNuZQVcEEEo=' 
WHERE 
  key_id = '56e34623f7d0953721c30b8ef29a2005f074ec164c4fcbe756bf889a9c1fc0c8' 
  AND (
    token = 'I79VMHy/23/ezOnllXeNPq0LUFaiwCTSRNuZQVcEEEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )