INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f51d0ead5ad2c8928df588da9e02741792f0c8939313e12bb5e71d5e60328c6', 
    'bLCGW6WPb39DSlswfctsoXyouItFycuWKVdQKko9A0Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)