UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w5tuRNsOA+s7zi5A4y0E2cIGn8u7IXynU6lRmXZLiqw=' 
WHERE 
  key_id = '2834a71602c2e48a66226e017acadc6719f440318aeeb4d777c600de64f4c319' 
  AND (
    token = 'w5tuRNsOA+s7zi5A4y0E2cIGn8u7IXynU6lRmXZLiqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )