INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '38a74a60da5f5ec7606c7d64671b2a03b8040d39381c1444320bf381d0b1c9a6', 
    '28hzCd7NCUaQjcyvZboj0OWtRfhobYEIs33/jjeVJZs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)