INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7475881fdac296c364729f7c7fc57f161357eaceb6e7b50d141d086ac1938fef', 
    'cUFgWaaMLnbUWAWSUa8Qv9QjkT8OUEc9sXnHY4xeDK0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)