INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81803088e1741dceb2eaa6a80fe277b41cd12186d3e57e9d064f86747399a566', 
    '68nrEaQNE8hbgEowOAhtmglle6BOLlZCFBL8VIEolZ4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)