INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6015644c84753b767cb08225225072c65b04bf92a8793d15e3b5cab3b609f9ea', 
    '/n/iF1oZYj34TVpc9kSYov3p3o4yUgSDducxalYSYl0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)