INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b4fc251be9bd4952582a33d56b9a9bc1fbeb32832a1e0240d25caeafaa966b9', 
    'zkRoOCl0eku8yyPPOhNO+CU5rQr0//X735hAZoD5xd0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)