INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '42234ba6decbd23a43d459e6f0f9f8d1f904076367c8a10e041c9b6072230914', 
    'PJVl2c82QaE3IbaIZpfIarvPz9wxWglhumCPQRSjYhA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)