UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '53cwTIr0p96TVEd/oLblrXdkk+dCDB8vxZcVSj4UxCk=' 
WHERE 
  key_id = 'a0d3c25f31733dcce71bccc7ae4115c32cfe124e65c3df38c4f76667f61cbf00' 
  AND (
    token = '53cwTIr0p96TVEd/oLblrXdkk+dCDB8vxZcVSj4UxCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )