INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6918870e082ac161e518c369facfbb29701038e7cf27a221c7bf9fe127a81f6c', 
    '0JrxMvgwxlXpODmtyYUuoDDzVRsMfh1k92JKzy48V4c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)