INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5cd21881919378dec40a39768824854471101621da7afb3e0a4657c88fa934d1', 
    'GC6UToEVuq8MFn+bgQBkHhXixAj1WUI6MBw0q8324Po=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)