UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGStim3AP3QLo/ydxmNqcUdval4+5G6HL7SPMk+ZOC0=' 
WHERE 
  key_id = '763251f1674d87bd77b071fb29c95e9bcd341b31cf5b1d62e729ad9999c1bb0b' 
  AND (
    token = 'MGStim3AP3QLo/ydxmNqcUdval4+5G6HL7SPMk+ZOC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )