UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rD6WJHqXe5ykK2thT2qrHjFRfVklVlRXTHtdy6XXGHU=' 
WHERE 
  key_id = '75168e24c84adda2aea1480ecd536a30dced522ea43e88c5f3a1ab7965952aa6' 
  AND (
    token = 'rD6WJHqXe5ykK2thT2qrHjFRfVklVlRXTHtdy6XXGHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )