UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UpwidlK0iiR45mMbnrayzlzjHDTyvRZbnKVbv5kChD0=' 
WHERE 
  key_id = '4fd50451858d7fb0f6891d25d6c83044562aeea26e9636e2c3b000b796d40843' 
  AND (
    token = 'UpwidlK0iiR45mMbnrayzlzjHDTyvRZbnKVbv5kChD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )