UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LYf0y74rUQbv8AhtvfEar5BjPz1P02i5O6GNILWi8zs=' 
WHERE 
  key_id = '995bd2af4b01e2efc6a7173f123253dfc9b2ff46dbaf5738cc008ab4b57343d6' 
  AND (
    token = 'LYf0y74rUQbv8AhtvfEar5BjPz1P02i5O6GNILWi8zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )