INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '940e02ef072023ac88e5fc6fdf96c7d03dfef7cd9c3bb08899803b0bca35a01c', 
    'MkLji3OtZgXqYOZ8k3CnDH/nWFvvje4A3NR5aicGPWE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)