INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21bab8bc51a91522d0f2eaed5e8c49c5498030a981cf98e96cd5106bbd041c81', 
    'rJVvlwvc4drNlYKk0brCVnqT+px3UHOnZi8yUCwfLxc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)