INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '03c5704f8daedd03def0796deb66f6ec68571d37035319d23b228e7d42d69036', 
    '3mdhjKEG2BPYudUjjWbsg0nGenlZXZNKvEeRlstGPks=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)