UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jW5/mX+qIpA468FXCvuqZo10HdXqcOqiqfoSxjU+3ok=' 
WHERE 
  key_id = '2a8cf4de0b1252579539c443a8cb243d37056071517a7412a7995dd648274828' 
  AND (
    token = 'jW5/mX+qIpA468FXCvuqZo10HdXqcOqiqfoSxjU+3ok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )