INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b621aa06dafe3ebbc209b31e10a6352bcf3839c345d3e33437fbda061999f2', 
    '7VC6CnDy5sqH0Sj2LVgj7E9Gk8to6txd9y+MaZMyFkw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)