INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c56415e9b4d92227ad6c8e46e737053a879b2f9372a6d1d84e3cf942c1b14c', 
    'PmGuppyWycNdVZnr0WNBuixIZJTWHTQXeniSDr5ZN6o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)