UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DB0oci64B/XYBpS7WH0P0dXJYSZtrB7QBByg45b+muA=' 
WHERE 
  key_id = 'df3676eb651c19d30f323b3da195b293ac718001049673d2409fc0e6263a6157' 
  AND (
    token = 'DB0oci64B/XYBpS7WH0P0dXJYSZtrB7QBByg45b+muA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039