INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cf6a6d02747f024f8e3a1f07f17947767d7b287d8cf46e17d0cc06977b12e23f', 
    'n7jYZRKhReISBgFBVoyk0o7sl3hJn2q1jV/f9jyzcn8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)