UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dySY1w0nCONdJGNKtFHEHzEgHcQSB2y5DLgoS9aATHw=' 
WHERE 
  key_id = '981af905ab671226aabb54993cf85821223e4bb38573602580609292b0e6ac50' 
  AND (
    token = 'dySY1w0nCONdJGNKtFHEHzEgHcQSB2y5DLgoS9aATHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )