INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '61ef5e458145a9461604b48c9f70c08a636fe4db738b5214a4c806a41a596a6e', 
    'E5ZNe8xtTtjHWB1L9jRVS2izmYgXEMBuqA6FdkRbOMA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)