UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UwfRvkBws//k2OB9e7ZtUUnCFWGzmuOgklaYH/6TgWY=' 
WHERE 
  key_id = 'c6a82b31d295fe5ecc7c74bbf044562ca7e376aa884122a1fec1a0ac5de255c8' 
  AND (
    token = 'UwfRvkBws//k2OB9e7ZtUUnCFWGzmuOgklaYH/6TgWY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )