INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21981447f3dd92cd18a972d672dbea3b37835e4ea7e1f1b03cf16331bcb792bb', 
    'EW5JMBsesQePDnv4f61v5wbsrqMSnkDy/zlkSA9q5Ns=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)