INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '816841c2ce341e6bb2fa341fff2015728b43d05ea37a0176b594332670b7f020', 
    'eLnmUMKw/Y2Y+7PJvybq5BYkjwoyvx9wQwR/nReQPQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00014

Result

int(1)