UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+KArXz3zLNpGNgk39AAPPl4IDcftmVYiOxzXlefClM0=' 
WHERE 
  key_id = 'b81e9c0c6cfddaa9cff3652de25d586c6ac5ace1877f2273e9e1fce007d25f61' 
  AND (
    token = '+KArXz3zLNpGNgk39AAPPl4IDcftmVYiOxzXlefClM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )