INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a904764473f615d5b79d043f112e1ab693ed256d9e6a57b2e6a5dc951955f82e', 
    'Xw8qE2j6K5YhEzW1ofiTKR14UVFdYsleEwAQpcnrZF0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)