UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejx7CuemHg06jEDk12NRqLJtmBcJur2QsvMDErogRBY=' 
WHERE 
  key_id = '6a83d1748b9a7a68966b28ec96eec65060783c00093b39e025da348f924fbc36' 
  AND (
    token = 'ejx7CuemHg06jEDk12NRqLJtmBcJur2QsvMDErogRBY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )