UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CgYvaLuoOhqLUpPqKr37aFQwP7tDyk5reYtPRy1eZg4=' 
WHERE 
  key_id = '4a850efa079d186ba7399476fc774e560d9c3449ca6af7172f182336951e3055' 
  AND (
    token = 'CgYvaLuoOhqLUpPqKr37aFQwP7tDyk5reYtPRy1eZg4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )