UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0x/kHaAqQpJ723zE2bY57NIUdvelkG8l79Jqmvebsw=' 
WHERE 
  key_id = '6a359b6d9dbefb498960013034030efc8e446f7c81691efafc392b611c4cad13' 
  AND (
    token = 'a0x/kHaAqQpJ723zE2bY57NIUdvelkG8l79Jqmvebsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )