INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8f8e27d4d91d88d94f775313c13273d5b79120b4fad4399896e7e043b4aa548e', 
    'iAvqlIAueKmQEV1xQ64VmEGU5S4Juhpfgg8bKjTfrWA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00049

Result

int(1)