INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b4cf9ff2bf72e7eeb9342d8942e18a20ed14ebf9de05032725e57e998412495', 
    'h/NKkbJfOXKJvhZkoore2gjW2okO1xb95tZejQrkdjc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)