INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51c28562158c1861119488f60df0f664830d5b35caa622351a6032d59ab1ca41', 
    'x5lYvtlLgNtwqeH3USr0fFgTXyiBuDT5HPyDYWiJsFk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00077

Result

int(1)