UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bBYtZiTFUALXpkRdoh+qC2ifZcMTgr8nkLiIRwnrmUU=' 
WHERE 
  key_id = '55c9b28a29f73ac9a5683446511fa24dcf78ba62a5b6eefd3a457deff091ebfa' 
  AND (
    token = 'bBYtZiTFUALXpkRdoh+qC2ifZcMTgr8nkLiIRwnrmUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )