INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '744a39355e3de3a2a82bebc495a745b118619b4f3328ad7efcffa3d97d4caa72', 
    'QIT7AGX8x6EarLGePiKS4csq0aey1c7TniDckaxsnW4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)