UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3//R2TT0RZRevEmg2ZsFdkrQBISV1fIRKklc9qfxwg=' 
WHERE 
  key_id = '71dcefb9403c4ec3897f26d40f6d5a254c8990a806df5d2b423b94e8f8ad7fbb' 
  AND (
    token = 'r3//R2TT0RZRevEmg2ZsFdkrQBISV1fIRKklc9qfxwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )