INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e21de88d5297fec48a3a0fa79cecba1b0491bce693c85780d61a09d1904f4eef', 
    'b703XeWl671aParSZoZVQfgXtthsBVi913PvptdUrRk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)