UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NKVBSe4ipwR57x2UUDm2r3vHUCJJSDje2dRIuy4DLFw=' 
WHERE 
  key_id = 'a8b5d99d9c45420cc6755d0608fe05e18ace7d202236a2af572330da874cf520' 
  AND (
    token = 'NKVBSe4ipwR57x2UUDm2r3vHUCJJSDje2dRIuy4DLFw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )