INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b16a418bee533fdaa3b03398be4d04c3b9a05467487ff8d61f4a5c693f3462', 
    'v3KdowtaZKXJydihZuoXx3BsPmkRcMS0EqVk6pkZhYw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)