INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '370dfa78c6a49a6867255720420024a0f3f2ad1c38b02c4757bb94b1efc863cf', 
    'uiD4BqBA5by7JJFltuESCcgJe9m8Qz1GpgJA86UkdBU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)