UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em4Ui6+G1/mkYv5HJTl6RP7iAWngnRnDavec48wSuOE=' 
WHERE 
  key_id = '38100e425aef29b932aef9fd856c04ffc249e2ef9b6e44c43973b19090484fe0' 
  AND (
    token = 'Em4Ui6+G1/mkYv5HJTl6RP7iAWngnRnDavec48wSuOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )