INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16c521020c31da2cc091c06d57763d3de39d8013afeecac10554ffb44a107912', 
    'U2XWYqqWSdMFNPF/putG2PfLizdBBx/s78AojByJgD0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)