UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eWfLf1yGs+MAQr66dWlycG08xLpFndf2imvAla6VP4k=' 
WHERE 
  key_id = 'd9164428e7c10f8fe7a67d35cf359c414da70949f15aa0111751008888e97cad' 
  AND (
    token = 'eWfLf1yGs+MAQr66dWlycG08xLpFndf2imvAla6VP4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )