UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z51kymmqKErMEqtcyBc9iq5WgAhZu63wkWhJ5mKA29M=' 
WHERE 
  key_id = '3f1dcced57701b4d351a403efbec21874ff44392b89940d51089beee26812743' 
  AND (
    token = 'z51kymmqKErMEqtcyBc9iq5WgAhZu63wkWhJ5mKA29M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )