UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V6Yyyam6rDRMlTIBR4tn+tqxLnT40P05mndbX3nYZq0=' 
WHERE 
  key_id = 'eba246a8de0a68d21c7b60bf581b2bd3470e4e8e39c7f662887ce67c9223b564' 
  AND (
    token = 'V6Yyyam6rDRMlTIBR4tn+tqxLnT40P05mndbX3nYZq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )