INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3efd639571c4196c808d5c304061bf7065d652f1430591302f0821f672809111', 
    'dNJ7aTwtpBT6ly8lMTQLQdRDIBsuJz4fjsV6+of10ow=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)