UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uEgKli7LAVp+8+i+HrJxoQoeObp/BaxdROyP3nJDw+c=' 
WHERE 
  key_id = '527c79d6512ec0346478d70b1f23654d9b9f1a3d3e2e66b348b1250f03cd1fd3' 
  AND (
    token = 'uEgKli7LAVp+8+i+HrJxoQoeObp/BaxdROyP3nJDw+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )