INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '742102a6332b5a2359a4a1fbb5b53a516b453851c623843a77cf6862b786c01b', 
    'LQIWdwKJEHQpjPYE1n+V4pwVJL3LZ32WKwTxNHoMNWU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)