UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZ+Z4NTMArSUpUtBRJceOZnuLIDToGUWr06BAnvgfvA=' 
WHERE 
  key_id = '6b097c7ce4b21838adab17a8107b06af22f1e8ef9f890e62f05a7e4a21ce8ce6' 
  AND (
    token = 'BZ+Z4NTMArSUpUtBRJceOZnuLIDToGUWr06BAnvgfvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )