UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oaOvOnNqau/VV8dmhv0gmp8pY4D4Zgrw45k3NTzs1xE=' 
WHERE 
  key_id = '4a0cefbed3e4e4f9c01b3978101ba7563e62edbc2187ccfc168c1a86c6d5f218' 
  AND (
    token = 'oaOvOnNqau/VV8dmhv0gmp8pY4D4Zgrw45k3NTzs1xE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )