UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yUYPhG7fFGiSORjwkJzz6EuOjvTWOi+39lyo0lYJB0k=' 
WHERE 
  key_id = '92d4f0937f76faa0ed81c859e2717b48579096a39bdc9ce899383f48a2f0213c' 
  AND (
    token = 'yUYPhG7fFGiSORjwkJzz6EuOjvTWOi+39lyo0lYJB0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027