UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UoSs09BOhgZjW6AjmEKsOI0E0Kq0mvvgr4LMzJIQdl0=' 
WHERE 
  key_id = '1e49b11deccb403a8e1501d2c67ca3713b5d6573aa09e0d415e2d632428a7643' 
  AND (
    token = 'UoSs09BOhgZjW6AjmEKsOI0E0Kq0mvvgr4LMzJIQdl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040