UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QHXTEXZyt8UTNUzXJ1aZcVXdeZVPt88Mp3Mc5KB4RfA=' 
WHERE 
  key_id = '8fd8453e75cf18fa0f71e80268bd29950c0a5161fa9f631d39623b0d537009a7' 
  AND (
    token = 'QHXTEXZyt8UTNUzXJ1aZcVXdeZVPt88Mp3Mc5KB4RfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )