UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WqmZp0vnzrZ3F+Cgce70r861mlDZmjpBd3osZco2JVM=' 
WHERE 
  key_id = '687de49394f1df900e5b68b8dde1738e30550ff52b3d348abaff4ced6f6e90cb' 
  AND (
    token = 'WqmZp0vnzrZ3F+Cgce70r861mlDZmjpBd3osZco2JVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032