INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21d49d9a5a2e7a47ac427c3b7c7d6cd0539a4a0eb329be274b320c9af055ad5', 
    'v0Jn+y7f7Tw7fctc4ndMFVQJuWZ4RgzqeV1POid1FFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)