INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '54de4fa9393542508919ebef6bc4776ef2549d60343b9a3f758433a1ab54fe9c', 
    'z9D4KIaykAlwMHYXSN+okfZf++1vGXkk+Az0cxN9UDM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)