UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bYU3vPDAUI8zii6W3bqu21E3QluZGySwUCGNkOIZUFo=' 
WHERE 
  key_id = '4e7d5254abc5fc8791d1ac688286bf2c6a03b0a3669cee553a4de13fadda763f' 
  AND (
    token = 'bYU3vPDAUI8zii6W3bqu21E3QluZGySwUCGNkOIZUFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )