INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '281c7b1bf34270bceee5977d01b89632584e5d19bf57c40e3530c994249615e8', 
    'niw5yLu6I4TJLfTTdweG7GE2x2zDLqXiaFFvqqf4Aeo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)