UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vrXWcXNi53hwuMny3W9o4CufyHg7NS0vvBdvDAq+SCU=' 
WHERE 
  key_id = 'c646bc677297f606bf59e7df8c7a47516822ae04b8df34e3d4de993fc5b64602' 
  AND (
    token = 'vrXWcXNi53hwuMny3W9o4CufyHg7NS0vvBdvDAq+SCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )