UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pKjMoOjqVMr7qgSMT5E3lMPZAVqTXvqLb09lt3Vc2Ik=' 
WHERE 
  key_id = '81b5c6cda594aa2abd5dcf872e6a4962268cf73c6b6b34b3c108c23819a3ee9b' 
  AND (
    token = 'pKjMoOjqVMr7qgSMT5E3lMPZAVqTXvqLb09lt3Vc2Ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )