INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b7591441ab08b9ec971e3b1e34a90a0531e2f6918677d17eb1de586e4ff456a', 
    'VTcWtjoFUxnwmvr0bYAUymYVTkHuBdjajAmAvelbctI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)