UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KI8Xrvh0Q6+FULUzwuK0OZ4rmIqdFiaivXnbyMOpAAQ=' 
WHERE 
  key_id = '0b3636ad49b76278cc11409d90356f99432e48b5d9c221dbdc49b947bb1504d5' 
  AND (
    token = 'KI8Xrvh0Q6+FULUzwuK0OZ4rmIqdFiaivXnbyMOpAAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )