UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51EkhPut1EFSUMwB9UVj75aYmPiQHEelSQSnn136V4Y=' 
WHERE 
  key_id = '86b4e81bfffd7edee08944575a7c1555dc902e7717d04417d735dbb99dd4acb0' 
  AND (
    token = '51EkhPut1EFSUMwB9UVj75aYmPiQHEelSQSnn136V4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )