INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15c0413a6baf0eb630a5a68d43c1a04d93d0f77cebcf4f8b783607481c02e3a6', 
    'YhkHL4yf7iVdDKUO4h7GP4L8wcPUA3uiik7SO0iACrs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00377

Result

int(1)