UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+c0jVlnosdvWs3+rNm3plvyW9SVkaZqaISxXXlo33CE=' 
WHERE 
  key_id = '02cfaa3f3e9a2880a46e056c96dddfea80b30c3cdf99d417777040fe98701846' 
  AND (
    token = '+c0jVlnosdvWs3+rNm3plvyW9SVkaZqaISxXXlo33CE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )