UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ISDSrkBrdcMkxXUqjqxp8aUgU24QFh/yGg8PtIthv+Y=' 
WHERE 
  key_id = '51c9e937de9d8c80fee5c68325b050c6f8f7ed6cd05fe209316243c29aa04e9e' 
  AND (
    token = 'ISDSrkBrdcMkxXUqjqxp8aUgU24QFh/yGg8PtIthv+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )