INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f156cc8f8e746f1e8065e946c936c0caa4272a16381ee7fae8750d22be79a51', 
    '+suDQegO5Wp742SbnTCdt9PFhakZ51Jk7ojT6i7RzOI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)