UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KNUiTpigVNv5MI5y5+Z6Qen1X9gV8k0PWzA/QufsKW0=' 
WHERE 
  key_id = '51c627b36c52f716e96c9f58dab7c1e7e1bb8ba1a1f457301d4895521e2259a6' 
  AND (
    token = 'KNUiTpigVNv5MI5y5+Z6Qen1X9gV8k0PWzA/QufsKW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )