INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '493059c35f92ee20921465f7af7f59bf547e953944b17760a7178bccd5a75b99', 
    '6yRv0OT4U+fiwnELEeBKiqqgPiZASZdZVPFM67iHT0A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)