UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b+O11dfCo3SROf80uvCh9XOE3hhgnUryhD8melLqPQE=' 
WHERE 
  key_id = '0ed101d787a176177c24d8f9b09cd1caf748ee8735c95403309ffd1f2e7fc7e1' 
  AND (
    token = 'b+O11dfCo3SROf80uvCh9XOE3hhgnUryhD8melLqPQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )