UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6PD/w5baB9KvGUJAwAxYUeWC4iYveILQISr14FBG7w=' 
WHERE 
  key_id = '4bf518b6d7368dddeb209604aad49c121b1b82bb7d9401410f69f1e2f310e3c8' 
  AND (
    token = 'a6PD/w5baB9KvGUJAwAxYUeWC4iYveILQISr14FBG7w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )