UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LZCkmhg00+GEjPFHLCtAZmLuPrwZFW7eTErlhnHc/zc=' 
WHERE 
  key_id = '7938548c7f8fad20edd25ac893736ce59468146d239bd0b440b0870668ccb601' 
  AND (
    token = 'LZCkmhg00+GEjPFHLCtAZmLuPrwZFW7eTErlhnHc/zc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )