UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlKeUD00wM5W/ulZ0CtTTYadOHliAu1WqJLPkJidgCg=' 
WHERE 
  key_id = '2c3b6ba282a32e2d4d0511f8d4751a92525e13b6b2746f9606e677fe56310434' 
  AND (
    token = 'mlKeUD00wM5W/ulZ0CtTTYadOHliAu1WqJLPkJidgCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )