UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/XWVUzQVbeWkwfhczYQFlfm1Cy7iycIRvPTR9Rk8VC4=' 
WHERE 
  key_id = 'c2c7920b6bc4cb85d40b4d46d2839fee4dcc80f2d2c672e3862cfc59bbbca74a' 
  AND (
    token = '/XWVUzQVbeWkwfhczYQFlfm1Cy7iycIRvPTR9Rk8VC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )