INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21608490a0b083984ae40bfb9b5b0d227bc987202b8aea17c6ef01b018c12402', 
    '9/TrYMHWxx5tH8feuKrZcmRGsUAIxdTflsM3HWTeDN8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)