INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6509714b53458f35f8530b9b6fb56bd03726aef2d3d9db764feccd5972c6f23a', 
    'OA9HYIzAMkUfllWFovTQDCkWVkbNHg7b2KMXIVymIbg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)