INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '557e1a630690b9eefe9533617ce9bc055d112bf6573d32984c26feb581830b7f', 
    'kaRgRBZejWH0vpKJ3v9Gx6ISgrszT1Bjo5P4y76JEVc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)