UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tn4PMkwFnqx+8yEZpyvA82RgUlmjluehOaEf6Mw26Nk=' 
WHERE 
  key_id = '1c84425dff5eb570c2e042b7afaac0446d35b4cdf0a94e4a194c59ca6195b25d' 
  AND (
    token = 'tn4PMkwFnqx+8yEZpyvA82RgUlmjluehOaEf6Mw26Nk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )