INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b73015d132129a7cb607b72b91045aa2135eaa9bed987b439fd922abf06e56', 
    'iRiUR6b9OHvuww6vIWI0xmmkLTA1kbsYqhz83ZoctuM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)