UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//UBBwCBXA7tkX2CJPQBuxSFt3XYveXNFVV4aPTyJ5c=' 
WHERE 
  key_id = '275c7bf068b4ab09c200f01f167b34dd95cf4fe72f4beb64a8d4479532581d3c' 
  AND (
    token = '//UBBwCBXA7tkX2CJPQBuxSFt3XYveXNFVV4aPTyJ5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )