UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tCYNXQ3oqNfQX/H8gVgpVJYz1Dbdy3Tx9lV+ttwpF/s=' 
WHERE 
  key_id = '500543e73bdc138add76851220e1197edc34f010f657fa51c48a1d6c7a0fb320' 
  AND (
    token = 'tCYNXQ3oqNfQX/H8gVgpVJYz1Dbdy3Tx9lV+ttwpF/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )