UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6uBlqwzgHcM4+UzRuKHBc5yYlFEvTquvc8MuFNnCic=' 
WHERE 
  key_id = '1c6da718718b976457e2592ad9fcfee68cdbeb808509bde67b344ada952d6b07' 
  AND (
    token = 'b6uBlqwzgHcM4+UzRuKHBc5yYlFEvTquvc8MuFNnCic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )