INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '952703cc38636916406416674fbbc60d97d4a961b87900c4010c838ced7cd6e4', 
    'x5e4Eababrx5TDz5Own+LhVPXi/DkfYKvyeFMNzA+gc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)