UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnCNfGi6ufRGJRroZeNqygwI6yp0QkIdqnPkdxCtDYk=' 
WHERE 
  key_id = '42d498d97e489c276a5c88d573371d7ef344bc6b0b5f9721db94d84799e321f9' 
  AND (
    token = 'tnCNfGi6ufRGJRroZeNqygwI6yp0QkIdqnPkdxCtDYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )