UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxLhMZxW8ztwfhLeed1rh2i4TDcUSf3t9IGOnEV/X48=' 
WHERE 
  key_id = '375a88749b4d2b4d9d00bf4e348c840470760d1449223947d50e58d113533fb1' 
  AND (
    token = 'dxLhMZxW8ztwfhLeed1rh2i4TDcUSf3t9IGOnEV/X48=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )