INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50af92bf22a55e449e0edb11c1c1f1567edebbb7a90c31e9d40a60144bc2a751', 
    'cpv+ETE4NGrQdpTa4BImNSwgdL68ESj1k0mpPz9L6/4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)