INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7998370d25e9c91802b816011f26feb4da1497324d8dd60020940a886c5e9d29', 
    'sKx8YTsY2F41wlooOBCYUhIdXvUHb8EUWti6lXdByCM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)