UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRbs/kT4TcROwumB3MYxSyxdJsInCI7HkjEhXHipHZ0=' 
WHERE 
  key_id = '995a39c00f90d3a7d7810830a3835e7ef97518199e33f1571c90cb1380a96ae2' 
  AND (
    token = 'MRbs/kT4TcROwumB3MYxSyxdJsInCI7HkjEhXHipHZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021