UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPTj1Yg99go1g7uacGzLwYGxfinR/qH8HHf+MG5G/3A=' 
WHERE 
  key_id = '31cec92c978857103f8a0a6cefe8db7d2b308c740c65c618dee0b5eed1a81f90' 
  AND (
    token = 'PPTj1Yg99go1g7uacGzLwYGxfinR/qH8HHf+MG5G/3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )