UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6zfno0HsKIa+IqQJMt7oQ0Pgwm0skyuI9208UBxKZg=' 
WHERE 
  key_id = '4f097fe5177963e32dcf3439a35a712792eebb0915e3019e0ad2070b7270f32a' 
  AND (
    token = 'R6zfno0HsKIa+IqQJMt7oQ0Pgwm0skyuI9208UBxKZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )