INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1def45240efbcef0c59808ed3e0035090a81bc3a817251b39c10d495b72a19b2', 
    '21q6/b3YIMrzHv/b9YH+DYOadT7V8IZa3exU8GNhaBk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)