UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qdT9PVFlsIwAsEnuZ3LrHCtozSF45cT9rfVnjoPLE4Y=' 
WHERE 
  key_id = 'b4588ff382a83fbd52b2ff0602f08698367b0c163f68b2f406aad73d457df8f9' 
  AND (
    token = 'qdT9PVFlsIwAsEnuZ3LrHCtozSF45cT9rfVnjoPLE4Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )