UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BCwkxzsWWJ2EVwrI7wLU9bTwz9a3vBuXPTSnXSESjZA=' 
WHERE 
  key_id = '86867266e82b73e56c546933fae6509e52c9e36501adf53c944842fed7485f9c' 
  AND (
    token = 'BCwkxzsWWJ2EVwrI7wLU9bTwz9a3vBuXPTSnXSESjZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )