INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e4eb48a1b50373ed9ebc38e821835dd8f303ce337f996189d20c5f57a58ad587', 
    't1/R6PEeOdX5hzGNZreMwTEhclp3ec5nuDzZYkMYkzs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)