UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmZRcaRjI32GXoZ04mOJL7/Axc9wLe9K1QfJ5HODFUc=' 
WHERE 
  key_id = '831acadc964a4411fd27916c45b1c29fe1992dbcdc47b63aceb1d392732458c0' 
  AND (
    token = 'xmZRcaRjI32GXoZ04mOJL7/Axc9wLe9K1QfJ5HODFUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )