UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uw8GKK3F03AeMdWPfgS9b9RmINq+BNVmTlg/5lCm9zM=' 
WHERE 
  key_id = 'b1b4407861c2d376cab749250f9812598de6f405a32d80a451f25818390f5e3c' 
  AND (
    token = 'Uw8GKK3F03AeMdWPfgS9b9RmINq+BNVmTlg/5lCm9zM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )