INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '946f85b53fd2976cfb791e10ede77686e98cdbce20bd37f4e950a420f0c99503', 
    '2t4HZQpGGNp24Dx4ljWjdy3JsTlqVpJZDdT9TSsvsWQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)