INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd02c10e490b677f5d8540711fd3e3f08019a43dd855be28a6b68aa7bfcb83baa', 
    'g+Yf3HHW99NSreVpN0gUjyn8lQ3Baoeb7QtDscTaPCg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)