UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ldXdpMWnW/ll1iTKaqyyKvv40fBeMdmpHTUPqx12Vnc=' 
WHERE 
  key_id = '794f83709abc68e31fbc01f10303768857e858032b7f977d91dea948be065ef2' 
  AND (
    token = 'ldXdpMWnW/ll1iTKaqyyKvv40fBeMdmpHTUPqx12Vnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )