UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6cJJqUEEVjOD5HqWgIs1N3xOHyAN/s0FvfYHfWYlaY=' 
WHERE 
  key_id = '4f982132285edc6d3789e891c12779b6dbc1b5ac51cc139aa5eb3a44ecc79e4b' 
  AND (
    token = 'K6cJJqUEEVjOD5HqWgIs1N3xOHyAN/s0FvfYHfWYlaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )