UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zs/1wpMy5WYdHGxbS0dW4qrWDdRWyfAKm5lz9NQIW64=' 
WHERE 
  key_id = 'd644d5467356c4a9b689248ae9633472d98c026d045a48d270e98c08b0b924a1' 
  AND (
    token = 'zs/1wpMy5WYdHGxbS0dW4qrWDdRWyfAKm5lz9NQIW64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )