UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bLQiZG7cJsCap0KdTb0ZI+hPWH4EFusoGD0bVJin1AA=' 
WHERE 
  key_id = '6437cb2bc86305e914d82391eb8ff49be0370e4a2b29826e5036996281e36965' 
  AND (
    token = 'bLQiZG7cJsCap0KdTb0ZI+hPWH4EFusoGD0bVJin1AA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )