UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4HlMf1AQB5wZKao7umTA3FFx7/5OfNGqS3CFR3nXoM=' 
WHERE 
  key_id = '03c97683ae343b1bc38f6da4de75602be763ad00d743d5ce0d26e91afc7d8795' 
  AND (
    token = 'n4HlMf1AQB5wZKao7umTA3FFx7/5OfNGqS3CFR3nXoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )