UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '38pkUFrdhklK609R9oTZo//dLViLUypc8QDIzQetI9Y=' 
WHERE 
  key_id = '581a4b8f23b1dd91023c50cfef66979602ea614b5dee102273c2c03fc82b2419' 
  AND (
    token = '38pkUFrdhklK609R9oTZo//dLViLUypc8QDIzQetI9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )