UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'evSM2HfYoDi28yRrxyY2fqTCJlm4gNVKFFTWDfL1QRU=' 
WHERE 
  key_id = '91cfa0a4a02cf265629806751649d38450c8e7a3d90bb8dfdbc2f760c50cb458' 
  AND (
    token = 'evSM2HfYoDi28yRrxyY2fqTCJlm4gNVKFFTWDfL1QRU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )