INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c576b5198069b48bd77582fa63b8200d143d5688b13cfba81c94396d4366aa5', 
    '9+nHAxBIiDDAHSk2ogyEyHmQ8Z2wSkxaOzNKxN07Ij0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)