INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '083ce3fdcb5a1dc128e1bfebb759623f3e2f54dcf5f27e8e58e71b37e8d79359', 
    'nAYflQIsqTlptnaFGk+JT7avnnSgAhZYOQWBPHQVCjA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)