INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd300d3ad7f5ace84264e279ed1c0b8bfa1d03af1d678a4ac855d77b9343751b2', 
    'MR7U8XCX/FFW5zC4BqYKBxeS3hyO9jMuuOZhgawRgdg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)