UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gMU9rWZ7FUtc3Wa4xzq63RMkRmTxwvx9BdWMqL3/9EQ=' 
WHERE 
  key_id = '97ea046fe149822a5ad6c61a3053e49765bdbd5c4ae0b4e83844cffbc8669d5d' 
  AND (
    token = 'gMU9rWZ7FUtc3Wa4xzq63RMkRmTxwvx9BdWMqL3/9EQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )