INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8466c15a39e1d7fb8ae8a20a6300bea60f9de66af82328577189f7c049447e15', 
    'Io4xORAeSSGA2I58FikxMXus4lYv5Xksp4LmaR5tLK8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)