UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHSUyxP5c03MGzdWYdY4udsYPpEmDCq0btotyP2YftY=' 
WHERE 
  key_id = '93b25586339918312c5e0e9535e84a0144000e147e0e87c505290680ba71e00b' 
  AND (
    token = 'KHSUyxP5c03MGzdWYdY4udsYPpEmDCq0btotyP2YftY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )