INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3b7b3b980514af7a547e502c6f5e1779b4450a57d1acd22cc18205e8eaeda10', 
    '6MAgz//6nNpdVIqG+lzkCC6R6iCob7klMhQUq1PZuLM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)