INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1397539638b72ee0535b3554de59b63248fc5202ada6d2932503a75bce736747', 
    'VDqV1uvBLdR0mc5DJJs/6krQ4GuKTg12BN2BAIuiqe4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)