INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8688d7ff820710704e3f897d7bdc1e2a6162e896802bb6fed5b6f988898709b', 
    '2jAbM2gTy8VJuiNx8IDEnU1ESiADgrIW15h2+vSks9Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)