INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '75ab73b2d6d0363add5bc487e09c7b6880d43919c3a20e2a884c6793760b964e', 
    '1OKU2B6zkrK4rV/dClELxk0f5OfA0yd5He273ahKczE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)