UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NRxFPhRDmoMsg8gKEsvI9k2XHnEax2A2hrLo9pUqUOE=' 
WHERE 
  key_id = '5aa95bcd3c548e3addc3c1b618af941370468c726ea508c212e43915db58e071' 
  AND (
    token = 'NRxFPhRDmoMsg8gKEsvI9k2XHnEax2A2hrLo9pUqUOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )