UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6XL/3cu9Xwe3uWtou/tE1OhdxFsf4cRPe1F8HdRZPxQ=' 
WHERE 
  key_id = '397d5aa3ce748208e22b4b07f166b4d5844a6e426b78dc1130378693d548da16' 
  AND (
    token = '6XL/3cu9Xwe3uWtou/tE1OhdxFsf4cRPe1F8HdRZPxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )