INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b9402284a7357521690f8c87bece9f0a120ffa2b9ad7c7f442299d0fc6808667', 
    'VpvrTEBsF47aPzS1SxSyOKNKzVRiYHOnr5fn7S0r04U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)