UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GLq6wSq6P/BSKMuIChqSkyQKWA+jwoOIOfccbIF+ogE=' 
WHERE 
  key_id = 'b4cb6461abf6ebfedf18d5599804b184f8f6634209acef82b611224beac80995' 
  AND (
    token = 'GLq6wSq6P/BSKMuIChqSkyQKWA+jwoOIOfccbIF+ogE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )