INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ddf83306bebb7b5e117b8d8317bac5cc65e1d812d958b6e66008d1f6efc3dd3a', 
    'yhcJDXlcPWPZGLiGUx1Vs9wCKK5SJrpqCzBgokSIazc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)