UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em40AYPSdA6WXnKtt349JK4A8Yj8nUXSg32vChEVlCs=' 
WHERE 
  key_id = '259a26384a47ef7bbd5c338f4a1a44dfd1f264e8d43fca8249b284128e007868' 
  AND (
    token = 'Em40AYPSdA6WXnKtt349JK4A8Yj8nUXSg32vChEVlCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )