UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E2xMsdwwGV5EukK9y0/pUG7SqvJx965He74mqVOoTtg=' 
WHERE 
  key_id = '8968c6940fd44f40e882d81262b562160d13154fce83d43b0798702bff094c3c' 
  AND (
    token = 'E2xMsdwwGV5EukK9y0/pUG7SqvJx965He74mqVOoTtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )