INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b7a412382d93cd9948eee639a8f618bf9e3a1924b2edfd256d9d2852798efe4', 
    'V0SxzFk9Pm/xjh6Q2iec7tRmsn5fUrhGeqWk5UmFYiI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)