INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21104cd2dcb51a2991a269eec72131e3e22800b741bbd4ce6692b562fea8fa49', 
    'CfnJ8PBDNrPTI7MUvvy/BAJKuDn0dmDRrhJobvLV8Ts=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)