UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWXsj4SsKvEc1ItM8NbWQkX9b6qlprnkR7krcW8kIZs=' 
WHERE 
  key_id = '501a4ac6f574a1ca714c05fef1e6702b33132f4757619357188e009ce247e091' 
  AND (
    token = 'PWXsj4SsKvEc1ItM8NbWQkX9b6qlprnkR7krcW8kIZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )