INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '000cbe2da1d2d1549a49381796c9d7f2d0249e6e32c8308b1f206996af6a1bd8', 
    'E1fvKz8ltdDxGsHM3da2LQVQqePAICwGqN4oPNALtiE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)