UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R5a5kqlf2iyVOZNIs2kVQdaux1XuSaZmivzxZ/npCZ8=' 
WHERE 
  key_id = '84474beb47630bacaae1e3f0683c621ce82dd87ec1a24102010c4d8502fd6e31' 
  AND (
    token = 'R5a5kqlf2iyVOZNIs2kVQdaux1XuSaZmivzxZ/npCZ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )