INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8e5488a52902d603d191e16f468c42919be4a262e130a20fc7ef2d61f8c24ca3', 
    'S3P1M8QowETQ+A8iGIpxaCS7JTHz15V0gN7DmnT7zIU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)