UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GJvU8WN6EtMxeh1Nk28xGlFeF08orHzuRkYw0B07OKQ=' 
WHERE 
  key_id = 'a434ab43ea598673149437155df3fbeeb9b2bc41af31407a37959a758d02b59c' 
  AND (
    token = 'GJvU8WN6EtMxeh1Nk28xGlFeF08orHzuRkYw0B07OKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )