INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28259a9450c36a985045bfcdfb0f671222038932e8fdfaf724c234d0fdf4ec4a', 
    'rWMT4BtS0knFDh7EW8GPx080NuSItIQYzJRZe8sJseU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)