INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f02969f8f0bc9672319146765a2fba5270668d552b2bcd4924e9b660ad78347', 
    'jOqT2L4LEimDU1ZfSXAb3SoboxLuUQ3cZrYTgVbtMI0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)