INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd5b5c50b2ff5c73bd4f4209d019edff45f045e46f552a39bc7b7441eb5461217', 
    'RMr1rMXbadeE4NJmyJw9pVJrbNZhLzYZ74C39XnAglU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)