INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a8fbbf78ccde7d74225a17160d73eaa4932a65dc4429a4ab82b8e337a6d850', 
    'ySF8zuH2KZGmhRGk7/2mtBtt4U/zHN41z3ok1mpIvok=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)