INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8988b2ef5fc3f3f30953b0f8980bd8e922e4432810c1dc9603f900fb14314cdf', 
    'MlDG9Br7zlfa9T2Mq/efGItZUiDdaKjlVtAZMivc9kE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)