INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15b043a6b401b5aca419714304a8d18d9d4438370fc71c8b61291a7a04fe21d9', 
    'EQkUbXzvlnQIhCxmmZqfOsNzxo0OqLgEYSLmRF45Vyc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)