UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PMeqry6IXHp2yUvYWX0zFUBHwxXqZ/J4v1YeK7HqxYE=' 
WHERE 
  key_id = '7302ade2ad652df07e6a9faeb115be51f1093ccea07ec71589a4c7f003a163c6' 
  AND (
    token = 'PMeqry6IXHp2yUvYWX0zFUBHwxXqZ/J4v1YeK7HqxYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )