UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPK9XbIcUkn1BFJN/428CbzrqLuPuC/AWLjQVq2wpmk=' 
WHERE 
  key_id = '9e79ee580d6c8981ae5237041040f8d712512a4e00513635cd2428ccc580e575' 
  AND (
    token = 'MPK9XbIcUkn1BFJN/428CbzrqLuPuC/AWLjQVq2wpmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )