INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b0be6d91b946fc5ad7b4304f4b1d76a067bc058fbf44a6f749b7579856d5e48', 
    'rEf2WvpLNIWO396XQizgUD1iaG8nCEognd8NIk0fE+c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)