INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '234b52d261c4582acaa4b2cfa78d76ed64213869548487987f803b2429bd56a8', 
    '5a5B2zY7NnFnPcmEwW3DzAoVZr9XaLat275f340TjRQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)