INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c921ffc1ece262e4d7bc1f1258ec864a570a86402f871dcdab26e944a513cae', 
    'D18xTm+swEtiND9H6CMLyTaxfmjtBpy9bDUecGuSmSQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)