INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51357429ad1d2ee8cf8ce7aafcd3d288b0d87f4ad908de888262bbb475d3145c', 
    'DlJnzlsnfyQCEL37o/A8NYYyaBrkZKcYIqBWh/qCITg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)