UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iFvWbqZlyKkeRBJndwi16ri1T7omzyeSRs5GvTxADXE=' 
WHERE 
  key_id = '1789219134ec6ba4f11cedfc15b6cff3edc87f217920d9502059699d5a4c2572' 
  AND (
    token = 'iFvWbqZlyKkeRBJndwi16ri1T7omzyeSRs5GvTxADXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )