UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEcR2Ip3+xhfeP0gIXvtmKC+zN30bOtqaUvBYtNOVIA=' 
WHERE 
  key_id = '72ba4990a707f409a61be778b8b0a43f913574b06aa3b10e2c936596952d72cb' 
  AND (
    token = 'MEcR2Ip3+xhfeP0gIXvtmKC+zN30bOtqaUvBYtNOVIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )