UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUHrJzvRQ8yLANMR5pJIwHRXiNMOxMVezXqlnCHj6NA=' 
WHERE 
  key_id = '73996235c907b019314680bf73bb9c988337e69c843b4e64ded2bfb785386e38' 
  AND (
    token = 'mUHrJzvRQ8yLANMR5pJIwHRXiNMOxMVezXqlnCHj6NA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )