INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2491e31195ee25f383babed4e6ace4b05b809eeaa7b18118be2df1f4e7d6da44', 
    'DqEMViaTkVBwyF6ERDQpnvhYwyuEfPkWaR9P4ILi/Y8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)