INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8168a81103a4513eda06b936374c928b814ea828d3cb347a61fef328a3f52c6', 
    '1QXqFII6DFsiDkxHed7g7ohfH/Ud95q6y1xQR3q/YgE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)