INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921c476cf91e07ac8191eae559393c42eb165488b76ba01826f3490320e21bd5', 
    'xKPNvWrBlsf+bFvLVyzTb0uzaaAD7QzsBc/nTjwooI4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)