UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ph120V3BqFRkXKkYTmkP0ShOT2MmbWzDfOJ7gcSaB4A=' 
WHERE 
  key_id = 'fcc50d85f07a1028e093e1a014af5d9354e7aa3687e71939d9e89541d299d51a' 
  AND (
    token = 'ph120V3BqFRkXKkYTmkP0ShOT2MmbWzDfOJ7gcSaB4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035