UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mxm9dW+OzJD3E/1TayBZGXKV7YU+l8UjWQBnkfUNfdg=' 
WHERE 
  key_id = '6efbbd389c1bfc7b15614cee83ac4e4cec86ca3ad40c82d116de368bb8864d85' 
  AND (
    token = 'Mxm9dW+OzJD3E/1TayBZGXKV7YU+l8UjWQBnkfUNfdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )