UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G/tSnFUBXhnElFNBbFdX0IPKMvjxVHlA/lIxWYtCrlo=' 
WHERE 
  key_id = '55f109129c30c761d37d67361c06f0d78be0c44b500577a53e8c59ced76f4cbd' 
  AND (
    token = 'G/tSnFUBXhnElFNBbFdX0IPKMvjxVHlA/lIxWYtCrlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )