UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xN6TNCZDz43yj+Q1vsGp7hgiW5bxOFZydQ42lgoGoYw=' 
WHERE 
  key_id = '25ceecc95b465b44488164238be953d7c05ecbbb6a6d49f5ac5010c5639d7a9f' 
  AND (
    token = 'xN6TNCZDz43yj+Q1vsGp7hgiW5bxOFZydQ42lgoGoYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )