UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1PrCkWbVgZxHxEEnkL26uSsPI6TkwDfwHThvmUK2s6E=' 
WHERE 
  key_id = '52d0b6d31c8d87968ee694712f797930519ce585a73f60b2feaea0d558c34fbb' 
  AND (
    token = '1PrCkWbVgZxHxEEnkL26uSsPI6TkwDfwHThvmUK2s6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )