UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v7I4DmudppXYi4YpbqasWcIUr1AFZRg7vHZZ+jF3x9I=' 
WHERE 
  key_id = '21a4afe6fb405c7a94478b681d0da0223d2b631ec09f4dfeff056afa624e1e9c' 
  AND (
    token = 'v7I4DmudppXYi4YpbqasWcIUr1AFZRg7vHZZ+jF3x9I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )