INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303f14ff37fd747f3f856f177a17eff5d11ed5f2b851c087f9997c52356cae1f', 
    '1unYe7eUBDiaoWfvuRJnL5UJOd0M2d9rRx+ZeKnUT8Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)