INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a429d08d92c6db0a159256e0eeb956a294c9d39e784aa05f8fd479909a0744e', 
    'MAaMl4N0f1aIFOAiEfZdPOprbqhkocjQFEiTG3fvbXU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)