UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+zkkN5eIaito3jWUFxHU21QC4p5w0gYDiPDmu5lx+Ag=' 
WHERE 
  key_id = '909f27f94adb20027683c4e15fae21dc38f8b9c0ee439f59f3dc8188abb0d6a0' 
  AND (
    token = '+zkkN5eIaito3jWUFxHU21QC4p5w0gYDiPDmu5lx+Ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )