INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d86392e1b78990e31b19e503c179a8c09d0d078721d92d84c61d44069998472', 
    'usw0OlwvXOeHaxeJbdewjNx9AU+izQI3LbGu/C9kApk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)