UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KQz+tORbikkfEIDD07BXjR8vCco8lac4Mm4FoGdKRu8=' 
WHERE 
  key_id = 'a4f8541c3d395ef9ed59b78f0807d191efac13258397c0b289af4018c2791eb7' 
  AND (
    token = 'KQz+tORbikkfEIDD07BXjR8vCco8lac4Mm4FoGdKRu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )