INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503b72696da447cffcca33b07347b64b3deddc24db0022b16a72766675c6d473', 
    'XOuO0rw5Z0jP7FmTNvNW6vXrr9YmkrLW8Ut3Cppxu+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)