INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51efceba0592d94c1acc16488878c4660f76c19169c32ab854445e4c636ce335', 
    'UqMivsanfnmxOm1W+Qnne7QJJAJgoGSgChrG9jo25ts=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)