UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7SrKRAaXvNTNI7vPZVnQ/FMmeqA968UCl8K7OmI7KxM=' 
WHERE 
  key_id = '3e51f76538021d411af9c5461faeb529bbe243bfeaf18f175d35b3523390831b' 
  AND (
    token = '7SrKRAaXvNTNI7vPZVnQ/FMmeqA968UCl8K7OmI7KxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )