UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KDhjasEz4nUu/qzkNEwlTm8Sqxr4p2NUiVBfNR0VYQ4=' 
WHERE 
  key_id = '1e4d73bc93f67db7db046afbab73713c5400ae4a3abdf89d08223e9514120950' 
  AND (
    token = 'KDhjasEz4nUu/qzkNEwlTm8Sqxr4p2NUiVBfNR0VYQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )