INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '756e465dce93a746ee4db8adbb53eacc7450d1045d042e459d1995660384794e', 
    '6Y+FEfdAqLWZjr2zwdxuPBefSQMjUrMkBExeHh04lcA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)