UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fhSCH7tfZvni+CBE+U85xmFM5qr5FJzdMtkSqjUXiQg=' 
WHERE 
  key_id = '91c3e7e5be573a2c37fc75923eeca9bf671920cbb1683254e9a1112e78e1b2c6' 
  AND (
    token = 'fhSCH7tfZvni+CBE+U85xmFM5qr5FJzdMtkSqjUXiQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )