INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e0d030a8d9ecd85af7392bb0cb4de289727bc78885e9362d18e8e350cf89fc', 
    '9qfgY5YAQDkxlU1iDHpLp1PB1gHIXtWlUtY8ieOHywI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)