UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ct6QZ8mbNTSKrWjCyLHqPTrgVYIuUx4XfcMv6BdKPtA=' 
WHERE 
  key_id = 'ad68c7dbb7f6303ce905f52285df02809ab03f2b06e6c5eeffd4c5d073c4f599' 
  AND (
    token = 'ct6QZ8mbNTSKrWjCyLHqPTrgVYIuUx4XfcMv6BdKPtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )