UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w1x9Wf1xKpqlzgcZRbRxNxby+Dk68ct2vVJZzJtb0ac=' 
WHERE 
  key_id = '30340346f45ca898bf9380de0ed4963e85fa9242dabda2f793b4581053a58ed4' 
  AND (
    token = 'w1x9Wf1xKpqlzgcZRbRxNxby+Dk68ct2vVJZzJtb0ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )