UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gE2ql6fJxcEyzsdRIhTK492waHS0c+rGOraecRx6PKQ=' 
WHERE 
  key_id = '91b5f81387dddb72570f458c8a739adb311bf843541c02dea7647154f6e44e08' 
  AND (
    token = 'gE2ql6fJxcEyzsdRIhTK492waHS0c+rGOraecRx6PKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )