INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2ca4802d00e2d23a2196da229bb1810839b940ccca6fc7e893f89e1364af29bd', 
    't42P5LfB2xrRv4VjrxOql8j73i4CtBqQqOkA+wixnSc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)