UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+xb3aOBK1jfR3j+lK6g+ylTwNc/kLMDSvKKXQm12eQ=' 
WHERE 
  key_id = 'c6138a0f510e542f7c0ca107ea544a794e1a74322df8cd50b412c4a4985e91c1' 
  AND (
    token = 'a+xb3aOBK1jfR3j+lK6g+ylTwNc/kLMDSvKKXQm12eQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )