UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eN1y4nnWDD+t8oGx6tehjp7OGwcwp9MZNOn60FBkjo4=' 
WHERE 
  key_id = '4a8f0b225f67a5ef4c4cb866f9075d9aea5795d61a8094cebf879047a9c2f6a1' 
  AND (
    token = 'eN1y4nnWDD+t8oGx6tehjp7OGwcwp9MZNOn60FBkjo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )