INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6cca8d324ef235f2e6af1ee4010023f394242162b12325c449b94de721151faa', 
    '/jFa7NEjEDlKQm32SwCtJClqqbmOh0i2bmtKtDB+EGU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)