INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8bccd8a542a77a6f8b18ddd903ad3fab646636e516360e7700096d396f701b5', 
    'PXcDiPK3zPYutjz2uECzK2Len04teEYphC12Qkt5WNE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)