INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c6e7a3c4633c3e478d300390c7636570811d9b231b099b87dc835eebd128fbe', 
    'RM6f+Xt8fT8yBxFZzESnGRSCRMTx0U3gUTNdXq6L+Ec=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)