INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f1b843493ca5998a1009ec6ee383f186a87b751ad0725ccffd4a715d963e0cb5', 
    'N7F2P6FNyBWQoeLQwYTn7pbk2bNtoF76sw60upRF5q8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)