UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cIUw4dEsEHqFl3rANZQHRq03hWdSYCbliunU8REexAc=' 
WHERE 
  key_id = '899e77fa52cccf30f00e43b15e413f65d6dccc40e726b31cece8e15eb9304919' 
  AND (
    token = 'cIUw4dEsEHqFl3rANZQHRq03hWdSYCbliunU8REexAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )