INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d8c5795b1f50c2f8d89b293bd221293810f4803dda8a4eeff69e2d6d2c77193', 
    'Av2Iw3uG7VSHUr9k5EaWvIvynjrtFKy23+5sZG7usaw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)