INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c750c288f6b467bbd38429e369935232ba871e2773e60c6d1da92d8d05df5fc9', 
    '//ESCnjIhre6vulq3H4iCaslEjvMcRdbMtDAIiFDk40=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)