INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e0d702e1a756ef113e9bf4c58f49543e2d3cd8b593376d093af5a9def258ebd', 
    '2qFY4Jvrv20p74SnVET/JJ96lh4vCzR7GycpGyntVp0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)