INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e68af9574224710dbb2ccc4c9f683fce056bc51d3856601889f0b0a630bda4f', 
    'd5T8clv7CPlOdW4LS4k5I6oWjrLUTHDLVjModRxBiq0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)