INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '338122a2fe84e8798857a1d42c4c05d2a910b079a6569df607e2cc721fa56b53', 
    'NbCwNz4OSTNHF9W9CHi7PUNqcwmlpmLNVs7Y/f87OY0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)