INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f5cc1603026725097ca7520e77f17cd1540b4d53c5386c3a5addf216d77026', 
    'bi/vvFXyBwJV5gWQb99E0OMOuM565bx8iaZk20OjwPc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)