INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b93dec9b72a4f8293b961737a1ead77b8a54b3e46e4cf4ec1266a90f5e6cc21', 
    'xGN+EooojdUnqFT1b/MfW68BcAxsQ4y+cqRwdW0grgk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)