UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nexmz+blt6ZlyrDdVlBZdgNr6vivnDpnpfBt5hzrnIY=' 
WHERE 
  key_id = 'd4e6a89ef8ca05d7805c1b85f95fa82577cf90b99b4e2b034d1882afd8bb1e77' 
  AND (
    token = 'Nexmz+blt6ZlyrDdVlBZdgNr6vivnDpnpfBt5hzrnIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )