UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bcpP83ygYQ5jlu8maaKzxQ7rIoP63lXpBPcURQ0A/68=' 
WHERE 
  key_id = '7b2c21843b8451f89edf665fa97df486061e0b17b3d4785fe51b09fe2d0a27e3' 
  AND (
    token = 'bcpP83ygYQ5jlu8maaKzxQ7rIoP63lXpBPcURQ0A/68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )