INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2673093464a7ccc5d8a01c804d8b8740af66e28ba4548373f1cab04a54200029', 
    'xCc72jDwcOeAV8g21rdTn3VRhTg2ibD13b56rOJgeC4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)