UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM+oFG2rRDUw89Ea1eVwyb5whjvOiqrXXZVB0qt1xmQ=' 
WHERE 
  key_id = '16fc1e540448471143a8aa37be715d077548a4f6853abe84bcf8390903122b7a' 
  AND (
    token = 'PM+oFG2rRDUw89Ea1eVwyb5whjvOiqrXXZVB0qt1xmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )