UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+T3K6WbqACiLsPZtXxbulw36ljZ8F72qDZiT8MRX/Q=' 
WHERE 
  key_id = 'c338c74b81b4757bbe78293829bccca025c634ffabeee3f49868f5292efec26e' 
  AND (
    token = 'r+T3K6WbqACiLsPZtXxbulw36ljZ8F72qDZiT8MRX/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )