INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '312771b45999ae74e9342985a8bf7c39f2878a5a58c6d6761c0ba31b2735a486', 
    'FxvcPX2d5NvXLON7xUHIo961FD9uh2AG7tOYRU3bjWk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)