UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0sme4XMGNLVSDNwb1ZS0Q6IyhjKYfBEoemoWcnXmfs=' 
WHERE 
  key_id = '21ff13e9871726a61476e2be49f0cb2f43578d2cc9ea3d61c0825b854601227a' 
  AND (
    token = 'a0sme4XMGNLVSDNwb1ZS0Q6IyhjKYfBEoemoWcnXmfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )