UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pu5kJ8E3Z+DnLLMeAFpQbId5BONKhgKdEcEg36L8x14=' 
WHERE 
  key_id = '589953d295c78681f0dab4f038122ced96ccf988158a61e92d91266c499d9e55' 
  AND (
    token = 'Pu5kJ8E3Z+DnLLMeAFpQbId5BONKhgKdEcEg36L8x14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )