UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cCHqVuPPOdjQyX0SFZCTH3xTbkpg/D6WyFYNcv+PAqI=' 
WHERE 
  key_id = '4874e63e8a953037095b3aa6be031e3fc9c6de954018b9caad50d2ba15a46df2' 
  AND (
    token = 'cCHqVuPPOdjQyX0SFZCTH3xTbkpg/D6WyFYNcv+PAqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )