UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxTrsEiJd5LBjQoEw0o14zba7Ylq5iwCvmeuNp5q8EA=' 
WHERE 
  key_id = '2bd7730457e1a9caf31299b3266853ad98250372c75747176e62da36477eb73f' 
  AND (
    token = 'MxTrsEiJd5LBjQoEw0o14zba7Ylq5iwCvmeuNp5q8EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )