UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+1LSlUx0E3wKO7XyKE3jkLpgTNvR7r4HZEK9IlDSbno=' 
WHERE 
  key_id = 'ef1cafc88f08aa5945e903e14d14f2701d0abda4e286d7e3d25766232394b6a6' 
  AND (
    token = '+1LSlUx0E3wKO7XyKE3jkLpgTNvR7r4HZEK9IlDSbno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )