UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdKRQj3mAOC2b2k7D/5VjZjlpXII/WEU1a/7RZ3r+8k=' 
WHERE 
  key_id = 'a4fe7e40a6a724f53f6803fd555690190787ae5df817248db2c90a2a1eabd2ca' 
  AND (
    token = 'MdKRQj3mAOC2b2k7D/5VjZjlpXII/WEU1a/7RZ3r+8k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )