UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xCDN1uNJljQjNYcKIg66GKFi7+igSkGt552KApnzuHE=' 
WHERE 
  key_id = 'ffd4928821066e43dea601d2a244a2350e1e2f9a328fe8e6736da32934a68b70' 
  AND (
    token = 'xCDN1uNJljQjNYcKIg66GKFi7+igSkGt552KApnzuHE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040