INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e936a2257ba64eb2883e665a674aaf55b61270ffe3aa56b81b72865cdd419c', 
    'E5uL3+x6WEIKAc2w2CzietnxI0i6PpFfc1wN+rwWvBQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)