UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4vDIRAUNyCXhaPl77HTDzqoT/YT3v3zVVq2acixY6E=' 
WHERE 
  key_id = '6615f454c141f874ec922ab827317efd7eeb4ea1aea331a66a53fbdb87953311' 
  AND (
    token = 'Q4vDIRAUNyCXhaPl77HTDzqoT/YT3v3zVVq2acixY6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )