INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51af4857723be9d590d49c7e66abd3cf4fb1527a151d712e86670cf124306b3e', 
    'QnhFbJAgPlhaoHfxE3IpneLi5n1sR5myUChnRfvUKnU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)