UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6/FSAFARqZtw3uwsPydx25sacYpBCl8RM04g8vin0fY=' 
WHERE 
  key_id = '811951a08a2034b8995d1eb6e9fa1451c494f566f821c970be6e7dbb5c164a4c' 
  AND (
    token = '6/FSAFARqZtw3uwsPydx25sacYpBCl8RM04g8vin0fY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )