INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b350bcc020170ca2b11104a0f84a413633cf2b37c4217f2d8544b11f273f547d', 
    'KiJRsDCYhqZ7JPKdYvaJeM21sR9NQqxqMUb1XaXufyY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)