INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b357de55d5f574e7422283903771b2317b45cef20550bb29b6e8bbe5a9b443f', 
    'SJQq1XPJGY+e5pKvbpZ42XmvrDXnNmnSamtt6QU2wyc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)