INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16a05b15e078b6c5993f20f1b764a39d660aee871426ec7789b999e93ad8318b', 
    '94cjj6DczXKJQ86iyrH5lZldScWyM1BUHFzDT4gmizs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)