INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4543ee6df17488250f8b4b9082c7b0f5a53fb64f9980de176af09be670b78fe4', 
    'QRt2q5+F3FiUgZUFLqW2TDzoZCPxXKr60md7p24BGA0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)