UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'el88zhI5D4x/R5B7ZjQmpH26xjEtLZnkYS6uX8+lMq0=' 
WHERE 
  key_id = 'f158e915f246ead4663fe3cb49567362a505ef40de09c28d6316e14d39a47c0e' 
  AND (
    token = 'el88zhI5D4x/R5B7ZjQmpH26xjEtLZnkYS6uX8+lMq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )