UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Y8mvRTT0VY43gpFRwChxcfhzhojjPB6fXe7OS3/7o3Q=' 
WHERE 
  key_id = 'a006fac5e397fc9146c141a0cc2edaa138626e221719ad135789d05e324656ab' 
  AND (
    token = 'Y8mvRTT0VY43gpFRwChxcfhzhojjPB6fXe7OS3/7o3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )