UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J25/nUBqAvF9HFOfpq/Gt0dkqDt00+XQaj06HuVA7mE=' 
WHERE 
  key_id = '21852f8d33b300e3a4be65079acfb6f2c9218826fd2050ae41ec45af72576e29' 
  AND (
    token = 'J25/nUBqAvF9HFOfpq/Gt0dkqDt00+XQaj06HuVA7mE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )