UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2XSI+tFNwzyFhMJ0gezcGF2XwvcFfXbL+cLqFKrm6E0=' 
WHERE 
  key_id = 'c8fc6ccb41691bb054b7821aa276548a3b777a3936e0f217b8dc9f69876eacb7' 
  AND (
    token = '2XSI+tFNwzyFhMJ0gezcGF2XwvcFfXbL+cLqFKrm6E0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )