UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '831/BzXktCaREu6hX3ot0RQjwkc2FM4ra8NLVGHfg6M=' 
WHERE 
  key_id = '4f5b0ec0a1eb9b596be8e56536aac4df61f9807abda603322fd85eb22f3b88cb' 
  AND (
    token = '831/BzXktCaREu6hX3ot0RQjwkc2FM4ra8NLVGHfg6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )