UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bbFeTLA+KUTv7qfcByW2rhN9vPNyP8trxJprpfZe9sY=' 
WHERE 
  key_id = 'a2153be69bfb22b5abf97604ef7a89650a20bc96ed6d0914c4bc06faccc1e310' 
  AND (
    token = 'bbFeTLA+KUTv7qfcByW2rhN9vPNyP8trxJprpfZe9sY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )