UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ciORKwGYr//VEPG27QksItvTwOn0dRhZy8oM2mfHkNE=' 
WHERE 
  key_id = 'c5d921ed3d142f6d0b49ac2e56b52edf0c2e8cc59f78a38b65bb7e6d69df548f' 
  AND (
    token = 'ciORKwGYr//VEPG27QksItvTwOn0dRhZy8oM2mfHkNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )