INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3291af9afc4c1c02a45b9815dd0d5deeb0b8247291a43c813cbc57282511afd9', 
    '+5y1/stggfy7XgINRW9tKxjvV567AtwV1kKz4IexsCw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00009

Result

int(1)