UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KD9/47ahZjgkNnJTFvCutvtGvr2wXon8IT4HmEePfH0=' 
WHERE 
  key_id = '749fd7af6a5cc32bce709cba068228e722e1f816ffe09405fec2801113f58854' 
  AND (
    token = 'KD9/47ahZjgkNnJTFvCutvtGvr2wXon8IT4HmEePfH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )