UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cabDRjGCvIzdf1Q0yLGYBI1p0f2mO/LVYmz1JiW8/yI=' 
WHERE 
  key_id = '4a339bfe1abb4e1acce33119335d1ce182021d8386786fe43ae15b1202d39686' 
  AND (
    token = 'cabDRjGCvIzdf1Q0yLGYBI1p0f2mO/LVYmz1JiW8/yI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )