UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fiuk4MxBGwVSAbEjNI6/UoA/RsOOBplNqFHQqboE7ds=' 
WHERE 
  key_id = '91084549d045d4b59084e1688920aa9a9ed379826f40ec79526e62cfa8de2142' 
  AND (
    token = 'Fiuk4MxBGwVSAbEjNI6/UoA/RsOOBplNqFHQqboE7ds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )