INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538562305b239692c228f8aebca0d46c525bc0acd72f08027717eb58d8d50dd6', 
    'Yer8cGg6KhBPd9CNpp84MBL6g6wEqm8dghzIVWYSe24=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)