UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEml7kkx/FGEdYqtuUsw8vBWqErGGOtnm1aHkI7TKU8=' 
WHERE 
  key_id = 'e97b7827fbcf3013f92cb56295fe49ac57d7bc532af1a6445874557b6f3036d6' 
  AND (
    token = 'mEml7kkx/FGEdYqtuUsw8vBWqErGGOtnm1aHkI7TKU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )