UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ewWltl9uqAr4lgJe1yw2X6TlpBvA5SMtjbJ1ZFc8yU=' 
WHERE 
  key_id = '68b27ee1ce67a189d4f64a1f09715104ed4bc25db9927a1b6a3023fccb477aca' 
  AND (
    token = '4ewWltl9uqAr4lgJe1yw2X6TlpBvA5SMtjbJ1ZFc8yU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )