INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cb2dad1007d75debff182ac9e6dccc251f4d84230e97512d07a760825df8af', 
    'WCj9XfNCjY+L0yu8sQeCGCskrWlSHdZ+sDbSoyqKoOE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)