UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnJEbEoaFJ77fu4bCtGp5Fdm9ZghzTUpKcXvVIe0+Fc=' 
WHERE 
  key_id = 'df6fafc815d09931a4696f54039d759a50b0e0b281611d85eb0443ec4b7d6605' 
  AND (
    token = 'ZnJEbEoaFJ77fu4bCtGp5Fdm9ZghzTUpKcXvVIe0+Fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )