INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e0e8bd18654f1c043d54f8c19c2741d3b486791437a2bb2a39404418334a5014', 
    'z6qMQsjHxsnNA3wrU4GjSafImY4RjxVm78jyYTRZ4Rs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)