INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '512e0271d5b8457401ca0ef607e9c7b04e1262f793d79c1050f62a8e8665396d', 
    'DdRZa/WULUJ1rdzlwc1umSb/UoR6zGZeAruZdRRRXYM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)