UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdZlCyk2Mp+F0SqGE8YcxP0JIejjx5lRBm7FdWNKH4o=' 
WHERE 
  key_id = '75e4f5b743c6041dbd94ae2de3586fc080553968d571064c437bb903749f0d60' 
  AND (
    token = 'MdZlCyk2Mp+F0SqGE8YcxP0JIejjx5lRBm7FdWNKH4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )