UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2z1yU8PDlqVtP9qKJfpfF1Pq5P6MMUQcIWAYR1gl6kg=' 
WHERE 
  key_id = 'a3f07b24ee791149e3145f7f9edf8a36161c0aa95b332fbe84cbefc8b3448e77' 
  AND (
    token = '2z1yU8PDlqVtP9qKJfpfF1Pq5P6MMUQcIWAYR1gl6kg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )