UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uQYELJ03tVlw5CVFloenAxNfzDZuvxZyCiLPMF0wY4g=' 
WHERE 
  key_id = 'c9c95b7f87522085de483e7d31046904ce879514afedbcb85bf025220933bc1a' 
  AND (
    token = 'uQYELJ03tVlw5CVFloenAxNfzDZuvxZyCiLPMF0wY4g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )