UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PudwwrfvVnKLONWIL+ARsaI36Kx0cDAuVEON6Au6DSg=' 
WHERE 
  key_id = '97958b83a01d0e36fe4e3df9e8ee8cd1e41511b94565bedfeaa9461c7b3bf4b7' 
  AND (
    token = 'PudwwrfvVnKLONWIL+ARsaI36Kx0cDAuVEON6Au6DSg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )