INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4b38c29a387239186e8951c7749854bbef7ff138212204b6d9273a4680a2778c', 
    'TOa9up0tr4yVuahZzi0MJSwQukK1H/1OHy5eTJBMv/g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)