INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76323faab2a77607963b5fb303e7cb57009511d56a06ca7d794784c931e6915c', 
    'VERd8vJ0QfQzoKyOTHjwNJFanI0F445PehWm6oOH2eY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)