UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yMmFiGZMZgXn6feuYMueTns0Gnf8NZMPWQflhZ7d8S4=' 
WHERE 
  key_id = '51e376bbfa1991f516dd3dd4e6121883a208cc9485a5812b4fe9fd7076870728' 
  AND (
    token = 'yMmFiGZMZgXn6feuYMueTns0Gnf8NZMPWQflhZ7d8S4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )