UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eungWYb0RSAf2xPMJlnlpq0Nei7qmT68CyBtXw0Q8FM=' 
WHERE 
  key_id = '4750a09760b75a5ef8a5405c0bb77547ada2d55481689e8a364dc7bb8c203d2c' 
  AND (
    token = 'eungWYb0RSAf2xPMJlnlpq0Nei7qmT68CyBtXw0Q8FM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )