UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4cv9V7YbPvktL4EVmddqvfivpIfDdt7e6ja2ZtSURdI=' 
WHERE 
  key_id = '82d8d7c7065af71b16e514ac998309d53899a68cc3235cc8ab514868fa37c123' 
  AND (
    token = '4cv9V7YbPvktL4EVmddqvfivpIfDdt7e6ja2ZtSURdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )