UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZxNAivrZblChBYHqaVepDKA0OBTWPkPBtHJxOrQhh6A=' 
WHERE 
  key_id = '3976e27b18442445ef23aea83bed77ac5d9ae781ff17605ba3d05f277b8ac399' 
  AND (
    token = 'ZxNAivrZblChBYHqaVepDKA0OBTWPkPBtHJxOrQhh6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )