INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b31147fb7367a5670cba8f5b9f33cbcf9506e1a21af33a3701faa7841d23e539', 
    'Vl0C9Um02iuWwKw9YERnUJ/sNlfu74DRT6n70Q21nDk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)