INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7351ff7a5efb37d78b70fed9adc257a29740257e42fde4ef44d2bbf345b12f1c', 
    '8Jjq0I3pcn4eKVGPRBjkGe8cfgfLdYQ9tyLudUJWqCA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)