UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jrdwlnKqnShJfGUK5HqycIgQHys4sPcRXhgKUEAZOIE=' 
WHERE 
  key_id = '38df91a6c34ca94c645b9f3bf3c388391c07a3dfeecf5a5a0beddd86b53fd619' 
  AND (
    token = 'jrdwlnKqnShJfGUK5HqycIgQHys4sPcRXhgKUEAZOIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )