INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '78b40b5d9bed96bd577bf39146b6bd1ebbb938eb2dd27086d789688818cc0948', 
    'Jmu4WJB5OtgLkTi0qYbyO6j6P1pqNqOD5AN4wbkvubo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)