INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6920685f7361a4690c6d0b7c63815733b7c55dfb6c18256b1f0a0a9eec841f0a', 
    'K7U2TUOCBpmXwNzRGoq85tDuxxWQFIl8Q57zvCZSxes=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)