UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5vqcHfsCUloK+lGbAfj8zVO3yqYIsv4rUG2kx8XWeTU=' 
WHERE 
  key_id = '21ccd5805fb564784f23461e2edb7c316414f2832a2fefa77af64ac593cd4f14' 
  AND (
    token = '5vqcHfsCUloK+lGbAfj8zVO3yqYIsv4rUG2kx8XWeTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )