INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b91f0297f94974d8bbc66b920b8621842f1dadc2f00941b853b2ce828adb67f5', 
    'i2NJozDD3u9oEYSmDBpoeC3d1aiAsxGUPxnhmO1BvLQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)