INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5121575e329b2dde4c8cd7000cee117ed5bf70d29f934b849e9b5f4aada4613d', 
    'LFT+X3TxU0tXn+a0KCvnt38Fmmynj6lJgKvBa7d5b0M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)