UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/gGKkIwDCE1xT5O9p35Ko3xJNxUp2hlK25b0XA7iTmU=' 
WHERE 
  key_id = '3f0fcb4f433a448c82413ec4b4cc5d14d0bd3c970e2b24238af0030aaf3d8448' 
  AND (
    token = '/gGKkIwDCE1xT5O9p35Ko3xJNxUp2hlK25b0XA7iTmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )