INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0c843be9226342a9477e0b99c208f02ab54a1ffea4141e22b5c94f290be2d1e9', 
    '0QiZaMlAx0WLRjG2woN3h7o6d2iuiF8oywRUCsNvz2g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)