UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UU8CgYw2Uq7gxzcPRJqqqf0TOtIz3jTT2uabYcqtncg=' 
WHERE 
  key_id = 'b950c6662d0a5bfe7a06f790c77b8cf3da46e9bfeca35913a2a57d58f50cf275' 
  AND (
    token = 'UU8CgYw2Uq7gxzcPRJqqqf0TOtIz3jTT2uabYcqtncg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )