INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421d46fe1aa3ceed69a7b2ec76a23991e0b26978c23ee3bbcf743c2f80890e2a', 
    'IlbzsLGyls9HYAGhQOC7pj752BK00hSmAUKk6UkubtY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)