UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OAE1yFIXqI+TS75EGtClomuKZMtmjQS7hVfk0COb+wo=' 
WHERE 
  key_id = '27adfc3080b7bd80c05c368549dbd8424702de8fd725f9a6c3d9488f6c4154a9' 
  AND (
    token = 'OAE1yFIXqI+TS75EGtClomuKZMtmjQS7hVfk0COb+wo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )