INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53e52b03803da6b26def22ce00b3de739216d07d8737a8cd532901658de5bf22', 
    'Uxdk3INiwazoNqOSjS1LKuW1sLSTCockY+W2hw5Gpoo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)