INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '49fc49b2d3906a29d4c46b76ea2f0d7cd571105f96e82f853f74808b65e21a44', 
    'K3VkjTW1lFZhnXLSuNEe39JbuwMXtaP9FubrTxpXxS0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)