INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31a15d8014ff2119444551a19057168a1930132895d600fb786a4395ea649e9d', 
    'C5LbFmOTgeaG2qqsodgp+ztolXL3g1qB1U9k0s7O9f0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)