INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b8f2a6473d5f6e6888f57282eabda3aeb1a270a7c80d37418f0765a7c959ec1a', 
    'hGJ8wzoiDedNB9NzxChHH6DDzbU74nMjvWwZK6jRaOg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)