INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e42cb589518c25ec1fbe064ed3ce095594e1aeb3f326b12dbf2f23c949593eef', 
    '16MOAzUgvWm5U2+xKXYryIfstcxDaezqpR4uWFguBmU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)