INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721821dc00d87c47f50f0cbf2f9ee7bbad9a778b71e438c41cb844c3b38c55df', 
    'kYXdXq6mXb4LVYMsvwDw7iGsdgcJVTRil3iqgEChXPo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)