UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vaTl5TKAlqqgCPz3F7Jws6X4FioS4mXRVWYLoQ1fFj0=' 
WHERE 
  key_id = '753235e1407ce86e535071f41161b8f9b6aa5559b06e4bd5d14602b7ccc1d691' 
  AND (
    token = 'vaTl5TKAlqqgCPz3F7Jws6X4FioS4mXRVWYLoQ1fFj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )