UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Itf1DF2Ya4a2T8BMMlO/UW1kCvWT3NVcqCCOAuiruYc=' 
WHERE 
  key_id = 'e475545b2364168decd3cb8bd535c24c15161058311bab942bf9d50d58722839' 
  AND (
    token = 'Itf1DF2Ya4a2T8BMMlO/UW1kCvWT3NVcqCCOAuiruYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )