INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e9bdf657934642e2b16ca965071c1545b10e435367e3643fd5ee660b199f212c', 
    'RMKK1j0oTzas3G3fU6nJmxSp03Ajw92h23DUocy5T6E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)