UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H2EOhFowRCE4yvHeBfmTLw8VvqIDPSSNflZtV2aH7qs=' 
WHERE 
  key_id = '27f959f0755ef9fe37e89ff9c0a9252ee7a8b9a6773bffda6977d47b94499069' 
  AND (
    token = 'H2EOhFowRCE4yvHeBfmTLw8VvqIDPSSNflZtV2aH7qs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )