INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51de788eaea16c8adda6849d8af86a0c63136fa14bffc520e549ce75b3121365', 
    '71Y0lGdRLMf3FTB93dem2mU816YI143TkMCI1heGPQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)