INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '47877b9da736273f494d05935ca43f0e5e424060ce28d0e4dfc7e83031e46fcf', 
    'D6413s66XsSgyFO63SKdhjNE1W84qgIykI1jxK4EYXg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)