INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dfe729b7ebbc70e8f510652e0625f429de6f8e4e822138f599fa41faf2263c3d', 
    'KLmcsVB09kdB1zfISv5vCwgQDpV9GZ1X/jxABjNBy0M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)