INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b593b496759cb8f04a715be5d9e8329fa07f784c7068f4eaf95fc467ee311c09', 
    'NMlpCv6TtU94z4GDsMuOsYkn67NlZF3IfRs3pDs4+jE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)