INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '542a9fd066084ccd71c3cf463e786035ac340fdae034dc32c0fd2054b811784f', 
    'lffeKSu0x9xM7oVOyWuhHPBk7WRAlqyfDrsugldlk5E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)