INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3b1dcd1421b30abaa32332e0f458d2f2a50c1a558f31341dce7640e73789eab2', 
    '7MN5xtOw8sdmiLsv9NqVV6iB3iF5qOcaEaUUKBdDW5Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)