UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/J5PDPUk6pRxIIwZlCEu7nuxZGjtcqZ4NxqDAEttjw=' 
WHERE 
  key_id = '4088ad3a81251f273dd9b1012a598b42091f6bb738628f8eafbc9f623282c9da' 
  AND (
    token = 'a/J5PDPUk6pRxIIwZlCEu7nuxZGjtcqZ4NxqDAEttjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )