UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e3PYMY9LdAU1W6ScdkyeAVBEmfBtP0ldDavw24lnzRk=' 
WHERE 
  key_id = '93aae5030c6c2ae43364ce48a000eb83cec171a0ea5f08f2896e0db882f45692' 
  AND (
    token = 'e3PYMY9LdAU1W6ScdkyeAVBEmfBtP0ldDavw24lnzRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )