INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9512a7f7e50d42647b3c210e43b181f41bd273963c4173b26c3947cc284e6015', 
    '6VQCAC4sGiHkw03jVvpBFdT3wvADDskAuAkD3ZNfYis=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)