UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U8X2YTh3Ua28yUezf59ZUSGyX3uEMa7B/xwKMRG2AaA=' 
WHERE 
  key_id = '1526f75e9a5ff7662174001ec1f8f3b24d6a13e819f5fb52b90ac7533b6e35b9' 
  AND (
    token = 'U8X2YTh3Ua28yUezf59ZUSGyX3uEMa7B/xwKMRG2AaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )