UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2M8F8zIz6jSIRzScg/3kqu6ZgVHL7och5L7NnFryMZI=' 
WHERE 
  key_id = 'b2c4f77a0eca273df3819e49bddbe80ced649f58adbdafddf5e91e58361d7bf1' 
  AND (
    token = '2M8F8zIz6jSIRzScg/3kqu6ZgVHL7och5L7NnFryMZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )