UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BezDkCHD8MEbju4a6+0WanSP3cmj3vDMkEzCO1KexAo=' 
WHERE 
  key_id = 'a908c64bae356704a8d43e88a3b4a9663a6d0fc24dc5bc8987611d00d8dece59' 
  AND (
    token = 'BezDkCHD8MEbju4a6+0WanSP3cmj3vDMkEzCO1KexAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )