UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPYcYysJ29Fhde0+vRNFXI+WkCJDB4cGrc+OTzZjEKY=' 
WHERE 
  key_id = '1879ad7b717a60352ed7a26690169f7656683ff4a23c92f18827b9d73d20ad07' 
  AND (
    token = 'MPYcYysJ29Fhde0+vRNFXI+WkCJDB4cGrc+OTzZjEKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )