UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PiEZFtrT1mzgxeivLkJ4KOke/vfzF+rmtvNxxKlWVic=' 
WHERE 
  key_id = '62cd0d26e42ed126c663ea1add281f90e3abc1aea1d7d476a9f46f6b7ca57aa1' 
  AND (
    token = 'PiEZFtrT1mzgxeivLkJ4KOke/vfzF+rmtvNxxKlWVic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )