INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '514e528b6b402f0770544af470a8ba41f0785c6b22313e2ed9fd7a88a881cdfa', 
    'KlUu6HWZtxXwWOnFvqV3gqtb0zNtYayFH2mR6C78JOc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)