INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b921b1a69d60611106dbba18941269234df9d93cf1ca235463fcfeacc32bf8c', 
    'TSnClYW2W2wdVclSMEwoUWqFi/7xq5HzTMrhFjqjp2g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)