UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mcERLmYlm25M4VCp3mTl4mJ9ELZm26vcRLMqLSOngeU=' 
WHERE 
  key_id = '4d5b9c0c5ae4a3d14ba1df0f9bfd0aed3aa22bd65e2e3e9ce8f2f47aaf2d540f' 
  AND (
    token = 'mcERLmYlm25M4VCp3mTl4mJ9ELZm26vcRLMqLSOngeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )