INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503db9efd98891ee641366787f29887db6f611dee3d629aceb6affd1161254ed', 
    'mU2Wj5hIC9VKhtKTrBKP2QppatIUZb7Ie6MVF3kModM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)