UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KkRa04dUFnrh6EWkFPl4RPUqXjqMUU/x5fM8jPy39X0=' 
WHERE 
  key_id = '02ea815884c1289884771e2ec83dcf253089ed124e80a6491f53afe20102eb6d' 
  AND (
    token = 'KkRa04dUFnrh6EWkFPl4RPUqXjqMUU/x5fM8jPy39X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )