UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x5bi4a1vHfjn2Oe4xVvGNvN24dt/wrXRYnw1IHzwP5k=' 
WHERE 
  key_id = '793900f3a5de1412adf8af3fd7b7e21353dd5c500f51045900659f125625bf1c' 
  AND (
    token = 'x5bi4a1vHfjn2Oe4xVvGNvN24dt/wrXRYnw1IHzwP5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )