UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M81dX4Yz8dnF7MWjijwzOSWesSJPz+IMbNV9sUn2cVs=' 
WHERE 
  key_id = '9718ce846376072c93831591bb66c3a15e973b2f697ed682dfcef4a5acb3723f' 
  AND (
    token = 'M81dX4Yz8dnF7MWjijwzOSWesSJPz+IMbNV9sUn2cVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )