UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'omfYt31Wb23a6P9Lkyk/IDxg8kPvau3INkik5+YFT+o=' 
WHERE 
  key_id = 'cb50b909dbd4bcc68c533d34313e53355f2e204c2d6747b2979effabf71cbcfe' 
  AND (
    token = 'omfYt31Wb23a6P9Lkyk/IDxg8kPvau3INkik5+YFT+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )