UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+MsJppmTD1/+EJwRsEDruGAC8XLNNhtqU47ZBwVR8Ec=' 
WHERE 
  key_id = '1838fb5ef044f7beec5eb114d4e764530759b9d0a593b20fcf380ee8d1ba66ca' 
  AND (
    token = '+MsJppmTD1/+EJwRsEDruGAC8XLNNhtqU47ZBwVR8Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )