INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6751ac458f5aebf166abaede9a944eb60c4c39b9a6d37693936ff5eae7800bb1', 
    'URb00EUp1BtVpxqYTMtDTZkiNEf4+mNHvzbZAU0sYXM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)