UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bwwi96oMpWq3RJdZAjMpkvafDpujCVAxJiG2gT7LmyQ=' 
WHERE 
  key_id = 'b889691519e0cef856685576ef0f24573d4ff27a1764725e35197ce958da1700' 
  AND (
    token = 'Bwwi96oMpWq3RJdZAjMpkvafDpujCVAxJiG2gT7LmyQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )