INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'df6a31b1920fdc1c75508af387d317842d405be99f57d594955d499fd9bb1cc9', 
    'K/sEojj3zvR7xbYWX5UfChPan9ESni1i+ssh1y1dN9Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)