UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/7v3Z7RFMHhGyBqzWRM5MN5pX3gBeZlpyZUFzC/mRzo=' 
WHERE 
  key_id = '4a597ad5286d403918b531c66c399f32565853d9242140e5d758258cd95fce5d' 
  AND (
    token = '/7v3Z7RFMHhGyBqzWRM5MN5pX3gBeZlpyZUFzC/mRzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )