INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5bb35103c118c6253758aa8496a501e40ec51bc10ad91e5b55028dcc91bd07c7', 
    '5FKH4djOora5RYhYg41vc8UW3yVOE7A1EieKQf7H8To=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)