UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejPrUovq0Bt1OXYKjSwbxtyyNSpL9fc7XootGnOsmEM=' 
WHERE 
  key_id = '30cca8f0f68ae84a7b7508b9d209802d51449a8d6f61e099ddd7aff9b6d2e440' 
  AND (
    token = 'ejPrUovq0Bt1OXYKjSwbxtyyNSpL9fc7XootGnOsmEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )