UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLEsBvDqsYjxK04uidfglwl+LewFiz89MRRaq5iO0WQ=' 
WHERE 
  key_id = '877da5d7588810c276bdb2e3bf6c59436294b858e3fab613721c3aa5df46408b' 
  AND (
    token = 'RLEsBvDqsYjxK04uidfglwl+LewFiz89MRRaq5iO0WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )