UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '558FY4OIpcxN0zT+QgM7XxceHOYq1TAJVtMv0rTxoCw=' 
WHERE 
  key_id = '9349a3ec3baa585f6683e83ff47418e6c84033aba62ce5730550389c48cc3e5f' 
  AND (
    token = '558FY4OIpcxN0zT+QgM7XxceHOYq1TAJVtMv0rTxoCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023