INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '311cc3c10364abaaa0d5be76153dda0c5ae89f05d70110631a25dca4d39a67e2', 
    'U9hlQ4XAxm5lUEefSmjzAl21sXIbLycE17EL5SF+qpU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)