UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eqMNm0R5CI0mAxiCFCzBHZW6tmDvlnmsM6axpF56ezE=' 
WHERE 
  key_id = '6e5527ea7ed15fd0fc0016dcb85992f971c8071481b802e84e08343eaf908ae0' 
  AND (
    token = 'eqMNm0R5CI0mAxiCFCzBHZW6tmDvlnmsM6axpF56ezE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )