UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ez2TmXpL0bvwFRImqU8cq2nT1QGp5g+bsQkN5MJcB80=' 
WHERE 
  key_id = '43f66ce61c290b47db451541d5ce67a285d0568cafebc00c5b23d2383d368a28' 
  AND (
    token = 'Ez2TmXpL0bvwFRImqU8cq2nT1QGp5g+bsQkN5MJcB80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )