INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a38d37a750524272e43686a6c73edd462a70640c8793845a7d76e2838007a9be', 
    'Ss53IZgzKC5jDvZF6W6rN4rTvgAZHQGHzWQOF3NjV64=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)