UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EamAUqJSvFKxeiqy7tJpYCIJqenqqHpLMtyiGECwkBc=' 
WHERE 
  key_id = 'a3a171ce871f2a7cba7b506d5e74299a5b21b9d029b062c3b545fa927d7e6b14' 
  AND (
    token = 'EamAUqJSvFKxeiqy7tJpYCIJqenqqHpLMtyiGECwkBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )