INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b1357352ee59a788a6fd0ea890ffe1c5333634eee3f9c747e0c8ccb010a2ebe', 
    'Znp1RHTKW6p2hNBvJp9ZdIRbWrjUc7yyCD7Clb3AmxE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)