UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zxEjBUGzGrjH8xCRWrGPO2KHE7XvOooMqtdXqL/UMPQ=' 
WHERE 
  key_id = '3edfb0c565866c33dfdce111e3fe02736731041efc747892b2b05b68df737676' 
  AND (
    token = 'zxEjBUGzGrjH8xCRWrGPO2KHE7XvOooMqtdXqL/UMPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )