UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAAfbgb5VKbWztIIRzH5MY1T03i1OU5rX/PUrMuMK6I=' 
WHERE 
  key_id = '4c97d76a96164deb1ef36cec83df7704426f8f082f80902e57d4f8275538da12' 
  AND (
    token = 'MAAfbgb5VKbWztIIRzH5MY1T03i1OU5rX/PUrMuMK6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )