UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xCc72jDwcOeAV8g21rdTn3VRhTg2ibD13b56rOJgeC4=' 
WHERE 
  key_id = '2673093464a7ccc5d8a01c804d8b8740af66e28ba4548373f1cab04a54200029' 
  AND (
    token = 'xCc72jDwcOeAV8g21rdTn3VRhTg2ibD13b56rOJgeC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )