UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'By6M+hJzWsNhC0CCCBnJmp17qfiojxhZ22VeAcuS7os=' 
WHERE 
  key_id = '1c20a07f15f6f30b247d63e296150f08a3c01522283e161a3a77d0e5d5923f85' 
  AND (
    token = 'By6M+hJzWsNhC0CCCBnJmp17qfiojxhZ22VeAcuS7os=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )