INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53a6c438bff64e62e6fee7384704b52a8575d809f20d6a5d0f5098f3e626988a', 
    'dy8YETjLw6p7tUqkpvLd6OSWyF6suDm7eUsYvvPUs40=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)