UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YMkeK7N611Jgxjyqjw3YVxF5a9JTNwPXlgMTOjynPzE=' 
WHERE 
  key_id = '8ca5c054fbbf5251d8c0f4cf924a1684e62da174b42b627f75122902cdab1a54' 
  AND (
    token = 'YMkeK7N611Jgxjyqjw3YVxF5a9JTNwPXlgMTOjynPzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044