UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ExNm9l2anG0dVaxGUHxiHz1/ehzPTpMkX+/kt/p6Hns=' 
WHERE 
  key_id = '882475c46ba9891e2d51a77650e967e0eff5891986337a0abf22b0e8719fa046' 
  AND (
    token = 'ExNm9l2anG0dVaxGUHxiHz1/ehzPTpMkX+/kt/p6Hns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )