INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50a53799ca765df6ed7d51f902b313b08fe925c91c30657f0619e9121efc935e', 
    'UBcJsOnqEPR0Tux4aa7RW8jX0pTC7jRGxXqRYdXFpAM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)