INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5eedadab4b059c843a30a437d6e2b089cafef5b3c3426e28f3a3df50e0e3fd9e', 
    'mR0iZObjvyZrYUkETnHWqBdIgOxgRdKoCh4JOuFXSqc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)