INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4ecbcc0374084f938935b1acd21429ef6313b04e683b210f85efcdb9a3fa5afc', 
    'GfKpEtxDAHpK1l0y2u1KXbZzyVxpniu2CD4QKjiG6x0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)