UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gc4qls0ymNg7wd1jfcc7SL+5CTjwTv7nJGmgyoGdRwM=' 
WHERE 
  key_id = 'b34816ffddaa8a73ccaff4bcf8d0fb0fc7b5c9d8de121399c6f2f982466c6eb2' 
  AND (
    token = 'gc4qls0ymNg7wd1jfcc7SL+5CTjwTv7nJGmgyoGdRwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )