UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lLd9IOaSAm2sucN9tGWL1/DlR7nna0VtvkZuiaD98dg=' 
WHERE 
  key_id = '433c76a7f23e64da88409a87f1775a48b322230e626034a9a595dc3b7328ac18' 
  AND (
    token = 'lLd9IOaSAm2sucN9tGWL1/DlR7nna0VtvkZuiaD98dg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034