UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4PkMUnvck97ld/6hrtqJcd6lgt6Sc2jnOWKh1NiygI=' 
WHERE 
  key_id = '641a64c042115d7e55bc09db98e20eaf9e3a79455ba75ce889b1db547033f3c4' 
  AND (
    token = 'P4PkMUnvck97ld/6hrtqJcd6lgt6Sc2jnOWKh1NiygI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )