INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f6fe8b3b2013ddd6c2ea0c000bc6ed389cd8eaeb8372cff82f90eda1fb3ecd1b', 
    '76fcBSUHlrgDZLDR0q3VQNWPf82i3kR0W6eYjYYB3M0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)