UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SeMYsCCmdmeI+t0OMRdJLbr3kT0EkYJLGprrrzxyyj0=' 
WHERE 
  key_id = '52009470284fb0679be8f941f92a79ae969e772749392ce97c418f841af0a382' 
  AND (
    token = 'SeMYsCCmdmeI+t0OMRdJLbr3kT0EkYJLGprrrzxyyj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )