UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rPv8+NqbIEdX4buyk3PdLnvNs6ciZmtN/qzb2bXq9DU=' 
WHERE 
  key_id = 'a6542069af28ea8bd1558e3ed4ac83fe9cddde709b9487f68248a97667ba8243' 
  AND (
    token = 'rPv8+NqbIEdX4buyk3PdLnvNs6ciZmtN/qzb2bXq9DU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )